thorn

thorn n.

[植]刺, 棘, 荊棘

英英解釋:名詞thorn:
1. something that causes irritation and annoyance
同義詞：irritant
2. a small sharp-pointed tip resembling a spike on a stem or leaf
同義詞：spine, prickle, pricker, sticker, spikelet
3. a Germanic character of runic origin

習慣用語

a thorn in sb's flesh [side] 不斷使某人傷腦筋的事情; 某人的眼中釘、肉中刺

be [sit, stand, walk] on [upon] thorns 如坐針氈, 焦慮不安, 坐臥不寧