赤ちゃんは四つん這いになってはっていた。

Sentence Analyzer

赤ちゃん 四つん這い なってはっていた

English Translation

The baby was crawling on all fours.

Furigana

(あか)ちゃんは()つん()いになってはっていた。

Romanji

Akachan wa yotsunbai ni nattehatteita.

Words

赤ちゃん (あかちゃん)
baby; infant
()
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
四つん這い (よっつんばい、よつんばい)
(crawl) on all fours; on one's hands and feet; falling flat
()
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
成る (なる)
to become; to get; to grow; to be; to reach; to attain; to result in; to prove to be; to consist of; to be composed of; to succeed; to be complete; to change into; to be exchanged for; to play a role; to be promoted; to do ...

Kanji

Readings: セキ、 シャク、 あか、 あか-、 あか.い、 あか.らむ、 あか.らめる
Meaning: red
Readings: シ、 よ、 よ.つ、 よっ.つ、 よん
Meaning: four
Readings: シャ、 ゲン、 は.う、 は.い、 むか.える、 この
Meanings: crawl, creep, grovel, trail (vines)