laugh /lɑ:f/ I. vi.笑，发笑：The jokes made everybody laugh.那些笑话逗得大家发笑。laugh at 嘲笑；因…而笑：He was laughed at by his friends.他被朋友们嘲笑了。laugh at a joke 听了笑话发笑 laugh off 一笑了之：She tried to laugh off their remarks, but I could see she was hurt.她竭力想对他们的评论一笑了之，但我看得出来她受到了伤害。‖II. n. ［c］ 笑，笑声: break into a loud laugh 放声大笑；have the last laugh 最后胜利了
laughable /ˈlɑ:fəbl/ adj. 可笑的，有趣的：The play was a tragedy, but the acting was laughable.戏是悲剧,可是演得却令人发笑。The movie shows a laughable ignorance of history.令人好笑的是电影暴露了缺乏历史常识。
laughter /ˈlɑ:ftə/ n. ［u］ 笑，笑声：a gay /merry laughter 快乐的笑声; roar with laughter 哄堂大笑； rock with laughter 笑得浑身发抖；burst into laughter 放声大笑；sincere laughter 由衷的笑声 A laughter was raised against him. 人们对他发出一阵嘲笑。Their laughter made her angry. 他们的笑声使她生气。
