sharp as a razor

• adj. 厉害的(机警的)

sharp as a razor的用法和样例：

例句

用作形容词 (adj.)

1. I never got such bad headaches as I do now.
   我从没有患过像现在这样厉害的头痛。
2. She was a very dangerous speaker.
   她是一个非常厉害的演说家。