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。