too nice/clever etc for your own goodused to say that someone has too much of a good quality so that it may be a disadvantage 过分好/聪明等对你没好处 Stephen can be too generous for his own good. 斯蒂芬有时慷慨过头，反而对自己不好。
too nice/clever etc for your own good• According to her, he was too clever for his own good.• That Tom was too nice for his own good.• They were both too nice for their own good.• You might be just a wee bit too clever for your own good now.
→ too nice/clever etc for your own good at own1(3)