彼は無口で、話しかけられなければしゃべりません。

He is reticent and he never speaks unless spoken to.

彼(かれ)は無口(むくち)で、話(はな)しかけられなければしゃべりません。

Kare wa mukuchi de, hanashikakerarenakereba shaberimasen.

彼 (かれ)

he; him; his; boyfriend

は (は)

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

無口 (むくち)

reticence; taciturnity

だ (だ)

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

話しかける (はなしかける)

to address (someone); to accost a person; to talk (to someone); to begin to talk; to start a conversation

喋る (しゃべる)

to talk; to chat; to chatter

Readings: ヒ、かれ、かの、か.の

Meanings: he, that, the

Readings: ム、ブ、な.い

Meanings: nothingness, none, ain't, nothing, nil, not

Readings: コウ、ク、くち

Meaning: mouth

Readings: ワ、はな.す、はなし

Meanings: tale, talk