彼は気が狂った。

彼は気が狂った。

He has gone mad.

彼(かれ)は気(き)が狂(くる)った。

Kare wa ki ga kurutta.

彼 (かれ)

he; him; his; boyfriend

は (は)

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

気 (き)

spirit; mind; heart; nature; disposition; motivation; intention; mood; feelings; atmosphere; essence

が (が)

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

狂う (くるう)

to go mad; to get out of order; to go amiss

Readings: ヒ、かれ、かの、か.の

Meanings: he, that, the

Readings: キ、ケ、いき

Meanings: spirit, mind, air, atmosphere, mood

Readings: キョウ、くる.う、くる.おしい、くるお.しい

Meanings: lunatic, insane, crazy, confuse