雅思口语天天练:笑个不停 1.cantstop laughing 笑得停不下来 2.burst out laughing不禁大笑 3.keep a straight face憋着不笑 4.laugh out loud.= 开口大笑 5.laugh my ass off= 笑掉了遥 6. laugh off 一笑而过 7.trying not to laugh强忍住笑