thorn
noun /θɔːn/
/θɔːrn/
Idioms - enlarge imageenlarge imagea small sharp, pointed part on the stem of some plants, such as roses
（玫瑰之类植物的）刺，棘刺 - a tree or bush that has thorns
带刺的树；荆棘 - the letter that was used in Old English and Icelandic to represent the sounds /θ/ and /ð/ and later written as th
刺形符，字母 ð（古英语和古冰岛语用的字母，表示 /θ/ 和/ð/ 的发音，后书写为 th）
词源Old English, of Germanic origin; related to Dutch doorn and German Dorn.
Idioms
a thorn in somebody’s flesh/side
- a person or thing that repeatedly annoys somebody or stops them from doing something
不断让人烦心的人（或事）；肉中刺；眼中钉