a silver tongue的用法和樣例：
例句
- He has a very clever sales pitch.
他推銷商品的口才很好。 - His eloquence as a speaker was well known in the Kuomintang.
他的口才很好，在國民黨中是有名的。 - Pinot Noir is often seen as a cantankerous grape variety.
黑比諾往往被視為一種能言善辯葡萄品種。 - A president with a big personal mandate, solid majorities in both chambers of Congress and a silver tongue ought to have been much braver.
總統享有強大的個人授權，在國會兩院擁有壓倒性票數，而且又能言善辯，他本應該更勇敢點的。
