彼がいつ来るかよくわからない。

Sentence Analyzer

いつ 来る よく わからない

English Translation

I am not sure when he will come.

Furigana

(かれ)がいつ()るかよくわからない。

Romanji

Kare ga itsu kuru ka yoku wakaranai.

Words

(かれ)
he; him; his; boyfriend
()
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 ...")
()
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
良く (よく)
nicely; properly; well; skillfully; skilfully; frequently; often
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

Kanji

Readings: ヒ、 かれ、 かの、 か.の
Meanings: he, that, the
Readings: ライ、 タイ、 く.る、 きた.る、 きた.す、 き.たす、 き.たる、 き、 こ
Meanings: come, due, next, cause, become