各种“笑”1. burst into laughter突然大笑2. crack a smile莞尔一笑3. explode with laughter哄堂大笑4. force a smile强作欢颜5. burst into gales of laughter爆发出阵阵欢笑6. grin with delight高兴得咧嘴笑7. a hearty burst of laughter一阵爽朗的欢笑8. in stitches笑不可支9. laugh at嘲笑10. laugh it off一笑而过11. laughing stock笑料，笑柄12. laugh in the breeze迎风而笑13. laugh oneself to death差点没笑死14. laugh people around into better humor笑得周围人的心情好起来15. laugh a hearty laugh放声大笑，开怀大笑16. laugh and grow fat心宽体胖17. roar
