彼は今夜早く帰ると約束した。

彼は今夜早く帰ると約束した。

He promised to come home early tonight.

彼(かれ)は今夜(こんや)早(はや)く帰(かえ)ると約束(やくそく)した。

Kare wa kon'ya hayaku kaeru to yakusokushita.

彼 (かれ)

he; him; his; boyfriend

は (は)

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

今夜 (こんや)

this evening; tonight

早い (はやい)

fast; quick; hasty; brisk; early (in the day, etc.); premature; (too) soon; not yet; (too) early; easy; simple; quick

帰る (かえる)

to return; to come home; to go home; to go back; to leave; to get home; to get to home plate

と (と)

if; when; and; with; particle used for quoting (with speech, thoughts, etc.); quoting particle; promoted pawn; indicates question (sentence end)

約束 (やくそく)

promise; agreement; arrangement; one's word; contract; pact; appointment; engagement; date; convention; rule; destiny; fate

Readings: ヒ、かれ、かの、か.の

Meanings: he, that, the

Readings: コン、キン、いま

Meaning: now

Readings: ヤ、よ、よる

Meanings: night, evening

Readings: ソウ、サッ、はや.い、はや、はや-、はや.まる、はや.める、さ-

Meanings: early, fast

Readings: キ、かえ.る、かえ.す、おく.る、とつ.ぐ

Meanings: homecoming, arrive at, lead to, result in

Readings: ヤク、つづ.まる、つづ.める、つづま.やか

Meanings: promise, approximately, shrink

Readings: ソク、たば、たば.ねる、つか、つか.ねる

Meanings: bundle, sheaf, ream, tie in bundles, govern, manage, control