magazine. 杂志 mistake. 错误 I took his dictionary by mistake. 我误拿了他的词典。 错误的 silly. 愚蠢的,傻的
look up sth in a dictionary 在词典上查单词(look up中代词必须放中间)。 at the same time. 在同时 sing along with the music. 跟着音乐唱歌 be afraid to do sth. 害怕做某事 be afraid of sth 害怕某物 be afraid+that从句。 恐怕…… laugh at 因……而嘲笑