have faith in 对...有信心，信念，信仰
have no faith in 不信任
I have faith in his ability to success.
我相信他能够取得成功。
Have faith in you. judgement.
要相信你的判断。
A:I don't know if I can do this.
我不知道我是否可以做这个。
B:I have faith in you.
我相信你。
A:You do?
是吗？
B:Yeah,you're really hard-working.
是的，你真的很努力。