彼は昨日よく眠った。

彼は昨日よく眠った。

He slept well last night.

彼(かれ)は昨日(きのう)よく眠(ねむ)った。

Kare wa kinō yoku nemutta.

彼 (かれ)

he; him; his; boyfriend

は (は)

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

昨日 (きのう、さくじつ)

yesterday

良く (よく)

nicely; properly; well; skillfully; skilfully; frequently; often

眠る (ねむる、ねぶる)

to sleep (not necessarily lying down); to die; to close one's eyes

Readings: ヒ、かれ、かの、か.の

Meanings: he, that, the

Reading: サク

Meanings: yesterday, previous

Readings: ニチ、ジツ、ひ、 -び、 -か

Meanings: day, sun, Japan, counter for days

Readings: ミン、ねむ.る、ねむ.い

Meanings: sleep, die, sleepy