avouch的现在完成时为：avouched...

Who vouches for your good conduct? "谁是你的保人? ”This paper vouches for the authenticity of the painting.这份文件担保这幅画的可信赖姓.The success of the campaign vouches for the candidate popularity.竞选的成功证实了这位候选人的名望....

Eric gritted his teeth and vouchsafed them a few more drops of brandy...埃里克咬紧牙关，又给他们倒了些白兰地。"He drives like a madman," was all the information he vouchsafed.“他开起车来像疯了一样”是他惠予的全部信息。As we approached the summit we were vouchs...

v.保证( vouch的过去式和过去分词 )，担保，确定，确定地说...

avouch的一般过去时为：avouched...

Vouchers的音标：...

I was in bed with flu. My wife can vouch for that/me.当时我患流感卧床休息。我妻子可为此/为我作证。You should give the names of two people who can vouch for your honesty and reliability.你应该提供两个能担保你诚实可信的人的名字。I can vouch for the fact that he is ...

voucher的复数形式为：vouchers...

vouchsafe的一般过去时为：vouchsafed...

vouch的现在进行时为：vouching...

We can avouch for the quality.我们保证质量.I am willing to employ your friend if you will avouch his integrity.如果你能保证你的朋友是个诚实的人,那么我很乐意聘用他.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....

vouchsafe的第三人称单数（三单）为：vouchsafes...

These vouchers are redeemable against any future purchase.这些优惠券将来购物均可使用。Vouchers must be redeemed before September 14th so you'd better get cracking to cash in.代金券必须于9月14日之前兑现，所以你最好快点。Shopping vouchers are often a g...

vi.保证，担保，确定，确定地说vt.（因亲眼看见而）为…作证，断定，传（某人）出庭作证n.被担保者...

vouches的音标：...

n.证件，凭证，收据，证人...

voucher的音标：voucher的英式发音音标为：['vaʊtʃə(r)]voucher的美式发音音标为：['vaʊtʃɚ]...

vouchsafe的现在进行时为：vouchsafing...

vouchsafe的现在完成时为：vouchsafed...