来自古法语 trenchier,去砍，劈，刨，挖，词源同 trench.引申词义尖锐的，鲜明的。

1. He was shattered and bewildered by this trenchant criticism.

他因这番尖锐的批评而万念俱灰，茫然不知所措。

2. His speech was a powerful and trenchant attack against 〔 on 〕 apartheid.

他的演说是对种族隔离政策强有力的尖锐的抨击.

3. Some of their comments were quite trenchant.

他们的有些批评十分尖锐.

4. His comment was trenchant and perceptive.

他的评论既一针见血又鞭辟入里。

5. He formulated trenchant aphorisms that caught their attention.

他阐述的鲜明格言引起了人们的注意.