笑：
1. burst into laughter 突然大笑;
2. crack a smile 展颜微笑，莞尔一笑;
3. force a smile 强作欢颜;
4. explode with laughter 哄堂大笑;
5. grin with delight 高兴的咧嘴而笑;
6. in stitches 忍俊不禁;
7. laugh it off 一笑而过;
8. burst out laughing 突然笑
怒：
1.angry生气的;愤怒的;狂暴的;
2.mad疯狂的;发疯的;
3.vexed生气的，烦恼的，恼怒的;
4.moody 喜怒无常的;易怒的;
5.furious激烈的;狂怒的;
6.wrathful愤怒的;激怒的;
7.sulky生气的;阴沉的;
8.annoyed 恼怒的;烦闷的;
9.irritated恼怒的，生气的;
哭：
1. break down(因情绪失去控制而)痛哭，大哭
2. cry one’s eyes out痛哭流涕，哭得很伤心
3. fight back tears 抑制住泪水
4. be in tears 含泪，泪流满面
5. burst into tears 放声大哭，突然哭起来（burst into +n.）
心情不同时，呈现在脸上的表情也不同；微笑、流泪、抿嘴……各种表情就是你内心世界的外在写照。
当你看到他人的表情时，你能用英语形象准确地描述出来吗？
1. She throwed her head back in a hearty laugh after she heard the joke.
听了那个笑话，她笑得前仰后合。
2. She'll smile from ear to ear if we give her a bike for her birthday.
如果她生日得到我们送的自行车，一定会笑得合不拢嘴。
3. Come on, a big smile for me!
开心地笑一个吧！
4. Did you see the way her eyes sparkled? She's so happy.
你们看到她闪闪发亮的眼神了吗？她很开心。
5. See how she pouts, someone must be not very happy.
瞧瞧她那努嘴的样子，有人正生气呢。
6. Come on, wipe that frown from your face, nothing's that bad.
我说，你就不要那么一副难过表情了，没什么大不了的。
7. She's all teary-eyed.
她眼里噙满泪水。
8. He had his eyes downcast and was crestfallen.
他低着头，一副特别失落的样子。
9. I was frightened by the mean look in his eyes.
他眼神里充满愤怒，让我感到害怕。
10. Her lips were pursed, and she was ready to let him have it.
她的双唇紧闭着，准备好好训他一顿。
11. His face was flushed with anger, like he's about to throw a tantrum.
他气得满脸通红，好像马上就要爆发了。
12. She smirked and I could tell she was happy that I had failed.
她嘲弄地笑了笑，我知道她是因为我失败了而感到高兴。
