gloat over

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释义
沾沾自喜；幸灾乐祸(后加sth)
to rejoice smugly over something; to be glad that something unfortunate has happened to someone else.

例句
Chuck: I hope you didn't bring me here to gloat over your boyfriend's loyalty.(Gossip Girl)
查克：我希望你叫我来不是为了看你为你男朋友的忠诚而沾沾自喜的。(绯闻女孩)