upon my faith的用法和樣例：
例句
- I vouch for the quality of my products.
我擔保我的產(chǎn)品的質(zhì)量。 - I think my letter must have miscarried.
我想我的信一定是誤投了。 - He gave his faith that he would come on time.
他答應一定準時(shí)來(lái)。 - I am sick of having to truckle to my superiors.
我得對上司惟命是從，這叫我心里實(shí)在難受。 - Singing is not really my forte, but I'll try.
唱歌實(shí)在不是我擅長(cháng)的，但是我試著(zhù)唱唱看。
