这还真是一个让人伤脑筋的问题。

This is a tough question for me to ponder.

youdao

但是不同的吻折射出你对他人不同程度的喜爱之情，这是非常让人伤脑筋的！

But since there are many kinds of kisses to reflect the many levels of affection you can have for someone, it can be nerve-wracking!

youdao

让人伤脑筋的是，当你介绍那些寂寞的家庭主妇与某人聊天时，她们会想：'与我的那位比起来，这家伙听起来不错。'

The trouble is you get lonely housewives talking to someone and they think, 'This guy sounds nice compared to what I've got.'

youdao