be a pain in the arse/the backside/the ass/the butt

být osina v zadku, nepříjemý člověk, štvát někoho

Getting up at 5 AM is a pain in the ass. (Lingea)

I can't stand my brother-in-law. He's a real pain in the arse. (CIDI)

Getting up for work at 5 a.m. is a pain in the ass.(CIDI)

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