誠意用英文怎么说

誠意的英文：
sincerity; good faith; sincere intention; singleness

She‘s a sincere friend.
她是位忠实的朋友。

His sincereness moved me.
他的真诚打动了我。

Misfortune tests the sincerity of friends
患难见真情.

A good appetite is a good sauce
饥不择食

The prompt goods have good qualities.
当场付款的物品质量不错。

Be not simply good; be good for something.
不要单纯做个好人，还要做个能派上用场的人。

As faithful as a dog.
像狗一般的忠诚。

"in faith (=by my faith, upon my faith)"
实在!说实话!说真的!的确!

Faith, which does not doubt is a dead faith.
没有怀疑的信念是无生命的信念。