in是一個(gè)介詞，一般表示在什么里面，這時(shí)候它的反義詞一般是out

例句：

1.All their wet clothes were pegged out on the line.

他們的濕衣服都夾在外面的繩子上了。

2.The rain was still coming down in buckets when we went back out.

我們回去時(shí)，外面的傾盆大雨仍然下個(gè)不停。

3.Now she won't have to go out to work any more.

現(xiàn)在她不必再出去工作了。