They took all the money and left. I saw it with my own eyes.我亲眼看见他们把所有的钱拿走后就离开了。He had the effrontery to deny doing something that we saw him do.他厚着脸皮不承认我们亲眼看见他干的事。It must be seen to be believed.那必须亲眼看见才能信以为真。The boy had seen the accident and came in full of it.孩子亲眼看见事故发生,回家来说个没完。