彼らは一日中家にいなければならなかった。

Sentence Analyzer

彼ら 一日中家 いなければならなかった

English Translation

They had to stay at home all day.

Furigana

(かれ)らは一日中家(いちにちじゅうか)にいなければならなかった。

Romanji

Karera wa ichinichijūka ni inakerebanaranakatta.

Words

彼ら (かれら)
they (usually male); them
()
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
()
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
要る (いる)
to need; to want

Kanji

Readings: ヒ、 かれ、 かの、 か.の
Meanings: he, that, the
Readings: イチ、 イツ、 ひと-、 ひと.つ
Meanings: one, one radical (no.1)
Readings: ニチ、 ジツ、 ひ、 -び、 -か
Meanings: day, sun, Japan, counter for days
Readings: チュウ、 なか、 うち、 あた.る
Meanings: in, inside, middle, mean, center
Readings: カ、 ケ、 いえ、 や、 うち
Meanings: house, home, family, professional, expert, performer