彼はばかだ。

彼はばかだ。

He is foolish.

彼(かれ)はばかだ。

Kare wa baka da.

彼 (かれ)

he; him; his; boyfriend

は (は)

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

馬鹿 (ばか、バカ)

fool; idiot; trivial matter; folly; absurdity; foolish; stupid; dull; absurd; ridiculous; Mactra chinensis (species of trough shell)

だ (だ)

be; is; indicates past or completed action; indicates light imperative

Readings: ヒ、かれ、かの、か.の

Meanings: he, that, the