いつ彼らが到着するかわからない。
Sentence Analyzer
English Translation
There is no telling when they will arrive.
Furigana
いつ彼 らが到着 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