adj.清晰的；锐利的；尖刻的；(论据等)有力的
The directions are trenchant and easy to follow. 那些说明清晰易懂。
Trenchant essays can criticize contemporary abuses. 杂文言辞犀利，可以针砭世弊。
Some of their comments were quite trenchant. 他们的有些批评十分尖锐。
The trenchant and inspiring comments of the scholars impressed the audience greatly. 学者们的理性思考和精彩阐释，引起了到会听众的兴趣与好评。
