OMG美语：各种笑！

1) crack up 让人大笑 2) laugh sarcastically 冷笑 3) put on a false smile 皮笑肉不笑 4) smile 微笑 5) mock 嘲笑 6) giggle 咯咯的傻笑 7) forced smile 强颜欢笑 embed width="640" height="480" src="http://player.youku.com/player.php/sid/XMzA0MjI3Mjgw/v.swf" type="application/x-shockwave-flash" wmode="opaque" allowfullscreen="true" /></