avouch
vt. 断言;保证
vi. 做出保证
第三人称单数 avouches
现在分词 avouching
过去式 avouched
过去分词 avouched
例句
We can avouch for the quality.
我们可以保证质量不比听装差。
Let this man in, we'll avouch for him.
让这个人进来吧,我们为他担保。
Millions were ready to avouch the exact contrary.
亿万人愿断言事实恰恰相反。