a pain in the ass

US /ə peɪn ɪn ðə æs/
UK /ə peɪn ɪn ðə æs/
"a pain in the ass" picture
1.

麻烦, 讨厌的人/事, 令人头疼

a person or thing that is annoying or causes a lot of trouble

:
My little brother can be a pain in the ass sometimes.
我弟弟有时真是个麻烦
Dealing with all this paperwork is a pain in the ass.
处理所有这些文书工作真是麻烦透了