trenchant
批评是犀利的，尖锐有力。
The criticism is ___trenchant, sharp and forceful.
她就预算缺口提出的尖锐问题让整个执行董事会鸦雀无声。
Her ___trenchant question about the budget shortfall silenced the entire executive board.
那位专栏作家对城市不平等的犀利评论引发了长达数周的公众讨论。
The columnist's ___trenchant observations about urban inequality provoked weeks of public debate.