spoil

他不希望雨破坏他们的野餐。

He didn't want the rain to ___spoil their picnic.

如果你现在吃蛋糕，会破坏你的食欲。

You'll ___spoil your appetite if you have cake now.

请不要向我剧透这部电影的结局。

Please don't ___spoil the ending of the movie for me.