on knife's edge 如何翻译

1. He's on a knife-edge about his exam results.
他对考试成绩十分担心.


2. The gift is sweeter, purer and, above all, even simpler, with many items poised on a knife-edge between the haunting and the commonplace.
他擅长创作更为甜美、为纯正的曲子，尤其是更为简明的曲子，许多乐曲选段的平衡点正处于悦耳的平庸之间。


3. There is little of Satie's sardonic wit to be heard in Skempton's works. The gift is sweeter, purer and, above all, even simpler, with many items poised on a knife-edge between the haunting and the commonplace.
在斯开普顿的作品里几乎听不到萨蒂那种讥讽的智慧。他擅长创作更为甜美、更为纯正的曲子，尤其是更为简明的曲子，许多乐曲选段的平衡点正处于悦耳的平庸之间。


4. The students are on a knife-edge aBout the examinations.
学生们对考试感到忐忑不安。


5. The project is on a knife-edge between success and failure.
这项工程成败未定。


6. The success of the project is still very much on a knife-edge.
这一项目的成败目前仍处于关键时刻.

7. The success or failure of the plan was Balanced on a knife-edge.
计划的成败尚未定局。

on knife's edge
意思是：在刀刃上
edge 刀刃