avouch
UK/ә'vautʃ/US
TOEFLC2
Definitions
v.
To declare or assert openly; to confirm or acknowledge something as true
断言，声明；保证，承认
Root Breakdown
Root-derivedaprefix
+
vouchroot
=avouch
Common Collocations
- 1.avouch for担保...
Example Sentences
- 1.
He avouched his innocence despite overwhelming evidence against him.
- 2.
The document avouches the authenticity of the historical artifact.