thorn in (one's) side

A person or thing that is frequently problematic and/or annoying. My new neighbors blast music at all hours of the day and night—they're a real thorn in my side My car has become such a thorn in my side—today is the third day this week that it wouldn't start!

Common Names:

Name	Pronounced	Usage
Christiana	kris-tee-AN-ə (English)	English, Late Roman
Keighley	-	English (Rare)
ÉAmonn	AY-mon	Irish
Bianca	BYAHN-kah (Romanian)	Italian, Romanian
Bosede	-	Western African, Yoruba
Janette	JAN-ət, jə-NET	English