短语词组短语trenchant sword 锋利的刀trenchant a 锐利的trenchant argument 有力的论据trenchant t 锋利犀利的;尖刻的trenchant words 尖刻的话trenchant criticisms 一针见血的批评HMS Trenchant 犀利号trenchant vague 清晰的 返回 trenchant