One man's meat is another's poison

[字面意思] 一个人喜欢吃的肉对另一个人来说是毒药。
[解释] 你喜欢的可能其他人不喜欢。比如：不要给所有的朋友送一样的礼物。Don't give all your friends Chinese made drinking glasses, one man's meat is another's poison.