Knife-edges
n. 刀刃；锐利物；处于紧要关头；十分焦虑
🧩 词语组成解析
knife
[naɪf]
n. 刀;匕首;刃部;手术刀;
vt. 切割，刺;伤害;
vi. 劈开;划过;
n. 边界；边缘；优势（edge的复数）
🗣️ 情景例句
And if I think about it long enough, you never know ...
如果我一直考虑下去的话 ，说不定……
Are you sure this is where we are to meet them?
你确定要在这个地方和他们碰头吗？
His vanity was hurt by their talking so frankly.
他们坦率的谈话伤害了他的虚荣心。