彼がいつ到着するかは明確には分からない。

Sentence Analyzer

English Translation

I don't know for certain when he will arrive.

Furigana

彼(かれ)がいつ到着(とうちゃく)するかは明確(めいかく)には分(わ)からない。

Romanji

Kare ga i tsu tōchakusuru ka wa meikaku ni wa wakaranai.

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

居る (いる)

to be (of animate objects); to exist; to stay; (after the -te form of a verb) verb indicating continuing action or state (i.e. to be ..ing, to have been ..ing)

つ (つ)

indicates two contrasting actions; indicates possessive (often found in place names and compound words)

到着 (とうちゃく)

arrival

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

は (は)

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

明確 (めいかく)

clear; precise; definite; distinct

に (に)

at (place, time); in; on; during; to (direction, state); toward; into; for (purpose); because of (reason); for; with; by; from; as (i.e. in the role of); per; in; for; a (e.g. "once a month"); and; in addition to; if; although

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