いつ彼らが到着するかわからない。

Sentence Analyzer

いつ 彼ら が 到着する か わからない 。

English Translation

There is no telling when they will arrive.

Furigana

いつ彼(かれ)らが到着(とうちゃく)するかわからない。

Romanji

Itsu karera ga tōchakusuru ka wakaranai.

Words

何時 (いつ)

when; how soon

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

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

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

彼

Readings: ヒ、 かれ、 かの、 か.の

Meanings: he, that, the

到

Readings: トウ、 いた.る

Meanings: arrival, proceed, reach, attain, result in

着

Readings: チャク、 ジャク、 き.る、 -ぎ、 き.せる、 -き.せ、 つ.く、 つ.ける

Meanings: don, arrive, wear, counter for suits of clothing