She was such a wet blanket at the party that they never invited her again. 她在那次聚会扫了大家的兴,之后再也没人邀请她了.
扫兴的人到处都有,而在英文里,用wet blanket就可以表达这个意思.
Let's not invite Dick to the dance--he is such a wet blanket with that sour look on his face and his boring talk. 我们开舞会可别请迪克,他那愁眉苦脸的样子,还老说那些没有人感兴趣的话,太扫兴了.