彼がいつ来るかわからないが、来れば最善を尽くすだろう。

Sentence Analyzer

English Translation

I cannot tell when he will come, but when he comes, he will do his best.

Furigana

彼(かれ)がいつ来(く)るかわからないが、来(く)れば最善(さいぜん)を尽(つ)くすだろう。

Romanji

Kare ga itsu kuru ka wakaranai ga, kureba saizen o tsukusu darou.

Words

彼 (かれ)

he; him; his; boyfriend

が (が)

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

何時 (いつ)

when; how soon

来る (くる)

to come (spatially or temporally); to approach; to arrive; to come back; to do ... and come back; to come to be; to become; to get; to grow; to continue; to come from; to be caused by; to derive from; to come to (i.e. "when it comes to spinach ...")

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

分かる (わかる)

to understand; to comprehend; to grasp; to see; to get; to follow; to become clear; to be known; to be discovered; to be realized; to be realised; to be found out

最善 (さいぜん)

the very best

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.

尽くす (つくす)

to exhaust; to run out; to devote; to serve (a person); to befriend; to do to exhaustion

だ (だ)

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