thorn

US /θɔːrn/
UK /θɔːrn/
"thorn" picture
1.

a stiff, sharp point on the stem of a plant

:
Be careful not to prick your finger on a thorn.
小心別被扎到手。
The rose bush was full of sharp thorns.
玫瑰叢上長滿了尖銳的
2.

眼中釘, 心頭刺

a source of distress or annoyance

:
His constant complaining was a thorn in my side.
他不停的抱怨是我的眼中釘
The unresolved issue remained a thorn for the team.
這個未解決的問題仍然是團隊的心頭刺