n.審批；證實(shí)

動詞vouch的現(xiàn)在分詞形式.

I can vouch for him/his honesty. 我可以為他[他的誠實(shí)]作擔(dān)保。

Experts vouch for the painting's authenticity. 由專家確認(rèn)該畫是否為真跡。

The experts have vouched for the painting's authenticity. 專家已經(jīng)確認(rèn)了該畫是真跡。

I can vouch for his honesty. 我可以為他的誠實(shí)做擔(dān)保。

vt.斷言；保證