英汉解释

vt. 断言；保证
vi. 做出保证

同义词

v. avow

反义词

v.   disavow

参考例句

1. He offered to avouch his innocence with his sword.
他表示愿以剑来保证他是无辜的。
2. We can avouch for the quality.
我们保证质量。
3. This is the avouch of this leader.
这就是这位领导人的声言。

英英解释

v.
  1. admit openly and bluntly; make no bones about

网络释义

avouch
确保; 保证; 主张; 承认,自认,断言;
avouch avowal
声言;
avouch for
保证; 证实; 替...担保;
Publicize Information Avouch
宣传信息断言\广告信息保证;
affirm allege assert asseverate aver avouch predicate protest
断言;