1. crack a smile 展颜微笑，莞尔一笑
definition: to smile, especially when you do not feel like smiling.
the man was willing to do anything to make h原由网is wife crack a smile. (为了让他的妻子展颜微笑，他愿意做任何事情。)
2. laugh a hearty laugh/laugh heartily 放声大笑，开怀大笑
defin原由网ition: to laugh loudly and uncontrollably
upon hearing that he had won the lottery, the man laughed heartily. (知道自己中奖了，这个男人开怀大笑。)
3. force a smile 强作欢颜
definition: to smile even though you feel sorrowful or unhap//www.58yuanyou.compy
at the funeral, he forced a smile fowww.58yuanyou.comr anyone who offered condolences. (在葬礼上，他强颜欢笑面对前来吊唁的人。)
4. a saccharine smile 谄笑，谄媚的笑
definition: a smile designed to please others
when he talks to his boss, he puts on a saccharine smile. (他跟老板说话的时候，满脸都是谄媚的假笑。)
5. smile bitterly 苦笑
definition: to smile when y原由网ou have no choice or can do nothing to help
the student smiled bitterly when his teacher caught him copying his homework. (抄作业被老师抓到后，这个学生满脸苦笑。)更多的英语学习资料分享可关注「每时每刻英语」公众号！
