don't laugh__others.you should help them when they are in trouble.a.at b.to c.of

don't laugh__others.you should help them when they are in trouble.a.at b.to c.of
don't laugh__others.you should help them when they are in trouble.a.at b.to c.of

don't laugh__others.you should help them when they are in trouble.a.at b.to c.of
a.at..固定搭配.

问什么？

B
laugh at sb, 嘲笑某人
固定用法

大兄弟你百度用得不错啊 不用怎么好好看书就会的啊laugh at是嘲笑的意思 就是在别人有麻烦的时候要给予帮助 别笑话人家

a