trenchant

1. ADJ You can use trenchant to describe something such as a criticism or comment that is very clear, effective, and forceful. (批评或评论)犀利的[正式]

He resigned in the face of trenchant criticism of his policies. 他在这番尖锐的批评前持屈从的态度。

His comment was trenchant and perceptive. 他的评论犀利且具洞察力。