gloat

得意洋洋、沾沾自喜、洋洋自得贬义

She won the game and gloated about it all evening.

她赢了那场比赛，整晚都得意洋洋地炫耀。

幸灾乐祸常与 over 连用

Don't gloat over your rival's failure; it could happen to you.

别对手失败就幸灾乐祸，这种事也可能发生在你身上。

幸灾乐祸、得意、自鸣得意口语，常用单数

He allowed himself a quick gloat before getting back to work.

他容许自己得意了一下，然后又回去工作。