🧩 词语组成解析
nettle
['nɛtl]
n. 荨麻;〈比喻〉使人烦恼的事;
v. 拿荨麻打，拿荨麻刺;激怒，惹恼;
tree
[tri]
n. 树;木料;树状图;宗谱;
vt. 把…赶上树;使处于困境;把鞋型插入（鞋内）;
🗣️ 情景例句
Because the job was not challenging enough.
因为那份工作挑战性不够。
I'm free tonight.
我今晚有空。
to work or worry about trifling things at the weekend.
在周末再让他们为琐事而动脑子和忧虑。