彼は他言しないと約束した。

彼は他言しないと約束した。

He promised not to tell.

彼(かれ)は他言(たごん)しないと約束(やくそく)した。

Kare wa tagonshinai to yakusokushita.

彼 (かれ)

he; him; his; boyfriend

は (は)

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

他言 (たげん、たごん)

telling others; revealing to others; letting out a secret

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: タ、ほか

Meanings: other, another, the others

Readings: ゲン、ゴン、い.う、こと

Meanings: say, word

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