The consultant offered a trenchant analysis of why our quarterly sales had dropped.

顧問針對我們季度業績下滑的原因，提出了明確透徹的分析。

Her trenchant reply to the customer's complaint left no doubt about the refund policy.

她對顧客投訴的回覆清楚明確，讓退款政策毫無疑義。

During the interview, the candidate gave trenchant answers that impressed the hiring panel.

面試時，這位應徵者的回答清晰有力，讓面試小組印象深刻。