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Furigana Show|Add to ▼ Source Totoeba Project
In medical research, one of the first problems is to isolate the cause of the disease.
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Vocabulary list

iryou
noun, no adjective
  1. medical care; medical treatment
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kenkyuu
noun, suru verb
  1. study; research; investigation
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de
particle
  1. at; in (indicates location of action; にて is the formal literary form)
  2. at; when (indicates time of action)
  3. by; with (indicates means of action)
conjunction
  1. and then; so
auxiliary
  1. and; then (indicates continuing action; alternative form of 〜て used for some verb types)
particle
  1. let me tell you; don't you know (at sentence-end; indicates certainty, emphasis, etc.)
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ha
particle
  1. topic marker particle (pronounced わ in modern Japanese)
  2. indicates contrast with another option (stated or unstated)
  3. adds emphasis
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byouki
noun, no adjective, suru verb
  1. illness (usu. excluding minor ailments, e.g. colds); disease; sickness
noun, no adjective
  1. weirdness; bad habit; bad behaviour; craziness; perversion
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no
particle
  1. indicates possessive (occasionally ん, orig. written 乃 or 之)
  2. nominalizes verbs and adjectives
  3. substitutes for "ga" in subordinate phrases
  4. (at sentence-end, falling tone) indicates a confident conclusion (often ん)
  5. (at sentence-end) indicates emotional emphasis
  6. (at sentence-end, rising tone) indicates question
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genin
noun, suru verb
  1. cause; origin; source
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wo
particle
  1. indicates direct object of action
  2. indicates subject of causative expression
  3. indicates an area traversed
  4. indicates time (period) over which action takes place
  5. indicates point of departure or separation of action
  6. indicates object of desire, like, hate, etc.
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tokutei
no adjective
  1. specific; particular; designated; special
noun, suru verb
  1. specifying; designating; identifying; pinpointing
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suru
suru verb (irregular)
  1. to do; to carry out; to perform
  2. to cause to become; to make (into); to turn (into)
  3. to serve as; to act as; to work as
  4. to wear (clothes, a facial expression, etc.)
  5. to judge as being; to view as being; to think of as; to treat as; to use as (as 〜にする,〜とする)
  6. to decide on; to choose (as 〜にする)
suru verb (irregular), intransitive verb
  1. to be sensed (of a smell, noise, etc.) (as 〜がする)
  2. to be (in a state, condition, etc.)
  3. to be worth; to cost
  4. to pass (of time); to elapse
suru verb (irregular), transitive verb
  1. to place, or raise, person A to a post or status B (as AをBにする)
  2. to transform A to B; to make A into B; to exchange A for B (as AをBにする)
  3. to make use of A for B; to view A as B; to handle A as if it were B (as AをBにする)
  4. to feel A about B (as AをBにする)
suffix, suru verb (irregular)
  1. verbalizing suffix (applies to nouns noted in this dictionary with the part of speech "vs")
auxiliary verb, suru verb (irregular)
  1. creates a humble verb (after a noun prefixed with "o" or "go")
  2. to be just about to; to be just starting to; to try to; to attempt to (as 〜うとする,〜ようとする)
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koto
noun
  1. thing; matter
  2. incident; occurrence; event; something serious; trouble; crisis
  3. circumstances; situation; state of affairs
  4. work; business; affair
  5. after an inflectable word, creates a noun phrase indicating something the speaker does not feel close to
noun, used as a suffix
  1. nominalizing suffix
  2. pretending to ...; playing make-believe ...
noun
  1. alias; also known as; otherwise known as; or (as AことB (A = alias, B = real name))
  2. necessity; need (as 〜ことはない)
  3. you should ...; I advise that you ...; it's important to ... (as 〜ことだ)
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ga
particle
  1. indicates sentence subject (occasionally object)
  2. indicates possessive (esp. in literary expressions)
conjunction
  1. but; however; still; and
  2. regardless of; whether (or not) (after the volitional form of a verb)
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daiichi
no adjective, noun
  1. first; foremost; number one
  2. most important
  3. best; greatest; most
adverb
  1. above all; besides; in any case; to begin with
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dai
prefix
  1. prefix for forming ordinal numbers
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ichi
numeric, prefix
  1. one (壱, 弌 and 壹 are used in legal documents)
no adjective, suffix
  1. best
no adjective
  1. first; foremost
noun
  1. beginning; start
noun, used as a prefix
  1. a (single); one (of many) (before a noun)
noun
  1. ace (playing card)
  2. bottom string (on a shamisen, etc.)
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no
particle
  1. indicates possessive (occasionally ん, orig. written 乃 or 之)
  2. nominalizes verbs and adjectives
  3. substitutes for "ga" in subordinate phrases
  4. (at sentence-end, falling tone) indicates a confident conclusion (often ん)
  5. (at sentence-end) indicates emotional emphasis
  6. (at sentence-end, rising tone) indicates question
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kadai
noun
  1. subject; theme; issue; matter
  2. homework; assignment
  3. task; challenge; problem; question
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no
particle
  1. indicates possessive (occasionally ん, orig. written 乃 or 之)
  2. nominalizes verbs and adjectives
  3. substitutes for "ga" in subordinate phrases
  4. (at sentence-end, falling tone) indicates a confident conclusion (often ん)
  5. (at sentence-end) indicates emotional emphasis
  6. (at sentence-end, rising tone) indicates question
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hitotsu
numeric
  1. one
noun
  1. for one thing (often used in itemized lists)
  2. only (after a noun)
  3. (not) even (with a verb in negative form)
noun, adverb
  1. just (e.g. "just try it")
no adjective
  1. some kind of; one type of
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tosuru

Passive Plain Present Indicative Form

tosareru
expression, suru verb (irregular)
  1. to try to ...; to be about to do ... (after the volitional form of verb)
  2. to decide to ... (after the dictionary form of verb)
  3. to take as; to treat as; to regard as
  4. to use for
  5. to suppose that (such) is the case; to assume
  6. to decide that; to think that
  7. to make into; to change into
  8. to feel (e.g. after sound symbolism or psychological experience word); to look; to feel like
  9. to intend; to have the intention (with を目的)
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to
particle, conjunction
  1. if; when
  2. and
particle
  1. with
  2. used for quoting (thoughts, speech, etc.)
noun
  1. promoted pawn
particle
  1. indicates a question (at sentence end)
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suru

Passive Plain Present Indicative Form

sareru
suru verb (irregular)
  1. to do; to carry out; to perform
  2. to cause to become; to make (into); to turn (into)
  3. to serve as; to act as; to work as
  4. to wear (clothes, a facial expression, etc.)
  5. to judge as being; to view as being; to think of as; to treat as; to use as (as 〜にする,〜とする)
  6. to decide on; to choose (as 〜にする)
suru verb (irregular), intransitive verb
  1. to be sensed (of a smell, noise, etc.) (as 〜がする)
  2. to be (in a state, condition, etc.)
  3. to be worth; to cost
  4. to pass (of time); to elapse
suru verb (irregular), transitive verb
  1. to place, or raise, person A to a post or status B (as AをBにする)
  2. to transform A to B; to make A into B; to exchange A for B (as AをBにする)
  3. to make use of A for B; to view A as B; to handle A as if it were B (as AをBにする)
  4. to feel A about B (as AをBにする)
suffix, suru verb (irregular)
  1. verbalizing suffix (applies to nouns noted in this dictionary with the part of speech "vs")
auxiliary verb, suru verb (irregular)
  1. creates a humble verb (after a noun prefixed with "o" or "go")
  2. to be just about to; to be just starting to; to try to; to attempt to (as 〜うとする,〜ようとする)
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