1.

2. 沉默寡言的;孤僻的;内向的
Someone who is withdrawn is very quiet, and does not want to talk to other people.

1. tending to reserve or introspection

e.g. a quiet indrawn man

Synonym: indrawn

2. withdrawn from society
seeking solitude

e.g. lived an unsocial reclusive life

Synonym: reclusereclusive