thorn in the flesh

A constant or persistent cause of annoyance, frustration, or trouble. My little brother is such a thorn in the flesh—he always wants to do stuff with me, especially when I'm trying to hang out with my friends.

Common Names:

Name	Pronounced	Usage
Scarlett	['ska:lət]
Sidonie	-	French
Zoja	ZOI-ah (Polish)	Polish, Macedonian
Yuliya	YOO-lee-yah (Russian)	Russian, Ukrainian, Bulgarian
SÍThmaith	-	Irish
Viktoriya	veek-TO-ree-yah (Russian)	Russian, Ukrainian, Bulgarian