thorny没有词根。
adj. 多刺的痛苦的令人苦恼的
This thorny question has troubled me for several days.
这个棘手的问题困扰了我好几天。
Dual citizenship is a thorny issue.
双重国籍向来是个棘手问题。
Then there is the thorny issue of trade.
然后就有了棘手的贸易问题。
Then there is the thorny issue of privacy.
还有令人伤脑筋的隐私问题。
The thorny problem of chronic procrastination.
慢性拖延，一个棘手的问题。
