彼らが何をやっているのかを彼が見つけだすことが大切だ。

Sentence Analyzer

English Translation

It is important that he find out what they are doing.

Furigana

彼(かれ)らが何(なに)をやっているのかを彼(かれ)が見(み)つけだすことが大切(たいせつ)だ。

Romanji

Karera ga nani o yatteiru no ka o kare ga mitsukedasu koto ga taisetsu da.

Words

彼ら (かれら)

they (usually male); them

が (が)

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

何 (なに、なん)

what; how many; you-know-what; that; whatsit; what's the expression; what do you call them; what?; hey!

を (を)

indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.

遣る (やる)

to do; to undertake; to perform; to play (a game); to study; to send; to dispatch; to despatch; to put; to move; to turn (one's head, glance, etc.); to give (esp. to someone of equal or lower status); to let have; to present; to bestow; to confer; to make (a vehicle) go faster; to run (a business); to keep; to be engaged in; to practice (law, medicine, etc.); to practise; to have (food, drink, etc.); to eat; to drink; to smoke; to hold (a performance); to perform; to show; to ease (one's mind); to harm; to injure; to kill; to have sex with; to live; to get by; to get along; to do ... completely; to do ... broadly; to do ... to a great distance; to do ... for (someone of equal or lower status); to do ... to (sometimes with negative nuance); to make active efforts to ...

の (の)

indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question

か (か)

indicates a question (sometimes rhetorical); or; whether or not; some- (e.g. something, someone); indicates doubt, uncertainty, etc.; emphatic prefix; suffix forming adjectives or adverbs; in that way

彼 (かれ)

he; him; his; boyfriend

見付け出す (みつけだす)

to find out; to discover; to locate

事 (こと、こん)

thing; matter; incident; occurrence; event; something serious; trouble; crisis; circumstances; situation; state of affairs; work; business; affair; after an inflectable word, creates a noun phrase indicating something the speaker does not feel close to; nominalizing suffix; pretending to ...; playing make-believe ...; alias; aka; nickname; alternative name; also known as

大切 (たいせつ、たいせち)

important; necessary; indispensable; beloved; precious; dear; cherished; valuable; careful

だ (だ)

be; is; indicates past or completed action; indicates light imperative