trenchant

1. ADJ You can use trenchant to describe something such as a criticism or comment that is very clear, effective, and forceful. (批評或評論)犀利的[正式]

He resigned in the face of trenchant criticism of his policies. 他在這番尖銳的批評前持屈從的態(tài)度。

His comment was trenchant and perceptive. 他的評論犀利且具洞察力。