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
Zosimos	-	Ancient Greek
SeÒRas	SHO-rahs	Scottish
Utari	oo-TAH-ree	Indonesian, Javanese
Emma	EM-ə (English), EM-mah (Finnish), E-mah (German)	English, French, Italian, Spanish, Swedish, Norwegian, Danish, Icelandic, Finnish, Dutch, German, An
Ronny	RAH-nee	English
Ford	[fɔ:d]