沉默 (chén mò): Reticent (Verb) — Meaning & Stroke Order

He is silent and doesn't speak.

The classroom is very quiet, everyone is reading in silence.

He is not inherently taciturn; he is just more reserved in front of strangers.

After a long period of silence, he finally spoke up and revealed the truth of the matter.

Faced with this issue, he chose to remain silent and didn't express any opinion.

Don't be fooled by his current reticence; he becomes very talkative when discussing topics he's interested in.