我弟弟有时真的很烦人。

My brother can often ___be ___a ___pain ___in ___the ___neck.

处理没完没了的投诉可能很烦人。

Dealing with constant complaints can ___be ___a ___pain ___in ___the ___neck.

这每天的交通堵塞开始变得令人讨厌了。

This daily traffic jam is starting to ___be ___a ___pain ___in ___the ___neck.