halfwit

noun

1. 傻瓜；笨蛋
   a stupid person

1. 傻瓜;笨蛋
   If you describe someone as a halfwit, you think they have behaved in a stupid, silly, or irresponsible way.
2. 弱智者;智残者;智力有缺陷者
   A halfwit is a person who has little intelligence.

1. Don't stand there gawping like a halfwit.
   别站在那像个白痴好吗。