Meaning of the word "thorn in your side" in English

What does "thorn in your side" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

thorn in your side

US /θɔrn ɪn jʊər saɪd/
UK /θɔrn ɪn jʊər saɪd/
"thorn in your side" picture

Idiom

1.

a person or thing that repeatedly causes trouble or annoyance

Example:
His younger brother has always been a thorn in his side, constantly getting into mischief.
The new policy has become a real thorn in the side of many employees.
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