这孩子自从转学后就变得很内向，很少和同学说话。

The boy has become quite ___withdrawn since transferring schools, rarely talking to classmates.

由于质量问题，这款玩具已经从商店下架了。

The toy was ___withdrawn from stores due to quality issues.

在争论变得激烈后，他默默退出了讨论。

After the argument got heated, he quietly ___withdrew from the discussion.