laugh on,laugh at ,laugh of,laugh for的用法与区别

laugh。。on 笑,笑声例如:You're a sport to laugh at the trick we played on you。你真是条好汉,对我们给你摆的圈套一笑了之。laugh at 嘲笑,漠视,因。。。发笑例如:They laugh at him。他们讥笑他。laugh off 用笑摆脱例如:We could but laugh off her suspicions。我们只好以笑声来消除她的疑心。laugh for 嘲笑。。例如:She always laugh for his mistake。她经常嘲笑他的过错。