be a thorn in flesh

be a thorn in somebody's flesh/side

someone or something that keeps annoying you or causing you trouble A relentless campaigner, he was a thorn in the government's side for years.

Name	Pronounced	Usage
Lugos	-	Celtic Mythology
Sandie	SAN-dee	English (Rare)
Mika (1)	MEE-kah	Finnish
Eros	ER-aws (English)	Greek Mythology
Kira (2)	KEE-rə	English
Sonia	SON-yə (English), SAWN-yə (English), SO-nyah (Italian)	English, Italian, Spanish, Portuguese, Romanian