“呆瓜”用英语怎么说

我们怎么会知道他是个呆瓜呢？How were we to know that he was a numbskull?不要跟他说话, 他真是个摇摆不定的呆瓜.Don't talk to him, he is a real yo - yo.这是最后一次, 呆瓜, 这些书要照字母顺序排列.For the last time, meathead, the books should arranged in alphabetical or...