avouch

英式音标：[ə'vaʊtʃ]

美式音标：[ə'vaʊtʃ]

词汇分类：CATTI二级词汇,最全词根词缀表（含例词）,英语词根与单词的说文解字,英语单词分类速记,纳尼亚传奇(The Chronicles of Narnia) 全七册 词频大全,托业 TOEIC990分 核心词汇

概况：

vt. 断言；保证

vi. 做出保证

词义：

vt.& vi.

保证，断言，承认；

变形

过去式：avouched过去分词：avouched现在分词：avouching第三人称单数：avouched

英英释义

avouch[ ə'vautʃ ]

v.admit openly and bluntly; make no bones about

同义词：avow

用法：

双语例句

用作及物动词(vt.)

Millions were ready to avouch the exact contrary.
亿万人愿断言事实恰恰相反。

He offered to avouch his innocence with his sword.
他表示愿以剑来保证他是无辜的。

We can avouch for the quality.
我们保证质量。

权威例句

Without the sensible and true avouch of mine own eyes: Staging Light and Darkness in Hamlet

Water solubility, antioxidant activity and cytochrome C binding of four families of exohedral adducts of C60 and C70.

In situ STM study of Pt-nanodot arrays on HOPG prepared by electron-beam lithography

Fabrication of large scale arrays of metallic nanodots by means of high resolution e-beam lithography

Study of platinum deposition on untreated and thermally modified glassy carbon

Extreme Ultraviolet Interference Lithography for Generation of Platinum Nanoparticles on Glassy Carbon

Degradation mechanisms of electrocatalysts used in polymer electrolyte fuel cells

Design of Solar Lighting System for Energy Saving

Experimental philosophy, in three books : containing new experiments microscopical, mercurial, magnetical : with some deductions, an...

[Photograph]: John Edgar Wideman

同义词：undertake,declare,assure

同根词：avouch

英语词源：

avouch (v.)

late 15c., from Middle French avochier "call upon as authority," in Old French "call (to court), advocate, plead (a case)," from Latin advocare "call to" as a witness (see advocate).

Avouch, which is no longer in common use, means guarantee, solemnly aver, prove by assertion, maintain the truth or existence of, vouch for .... Avow means own publicly to, make no secret of, not shrink from admitting, acknowledge one's responsibility for .... Vouch is now common only in the phrase vouch for, which has taken the place of avouch in ordinary use, & means pledge one's word for .... [Fowler]

Related: Avouched; avouching.

造句：

1. We can avouch for the quality.

我们可以保证质量不比听装差。

youdao

2. Let this man in, we'll avouch for him.

让这个人进来吧，我们为他担保。

youdao

3. Millions were ready to avouch the exact contrary.

亿万人愿断言事实恰恰相反。

youdao

4. He offered to avouch his innocence with his sword.

他表示愿以剑来保证他是无辜的。

youdao

5. I avouch for that girl; she has promised to be good.

我愿为那女孩担保；她已答应要改好。

youdao

6. I avouch for that girl; she has promised to be good.

我愿为那女孩担保；她已答应要改好。

youdao