fly in the ointment
基本解释
- 美中不足之处；令人扫兴的东西（或人）。
同根派生
英汉例句
- I'm looking forward to Sunday, the only fly in the ointment being the fact that I'll have to sit next to my mother-in-law. 我期待着星期日的到来，唯一令人不快的是，到时我必须坐在丈母娘旁边。
英英字典
- a single thing or person that is spoiling a situation that could have been very positive or enjoyable