1. （批評、評論等）鮮明的，犀利的，尖銳的，中肯的 You can use trenchant to describe something such as a criticism or comment that is very clear, effective, and forceful.
e.g. He was shattered and bewildered by this trenchant criticism... 他因這番尖銳的批評而萬(wàn)念俱灰，茫然不知所措。 e.g. His comment was trenchant and perceptive. 他的評論既一針見(jiàn)血又鞭辟入里。
trenchant英英釋義
adj
1. clearly or sharply defined to the mind
e.g. clear-cut evidence of tampering Claudius was the first to invade Britain with distinct...intentions of conquest trenchant distinctions between right and wrong
Synonym: clear-cutdistinct
2. characterized by or full of force and vigor
e.g. a hard-hitting expose a trenchant argument
Synonym: hard-hitting
3. having keenness and forcefulness and penetration in thought, expression, or intellect