在漫长的冬天里，他显得越来越悲伤和孤僻。

During the long winter, he appeared increasingly sad and ___withdrawn.

在会议上，她保持安静和孤僻，没有参与讨论。

In the meeting, she remained quiet and ___withdrawn, not participating in the discussion.

在创伤事件后，他变得情感上孤僻，避免社交互动。

After the traumatic event, he became emotionally ___withdrawn and avoided social interactions.