proved

基本解释

Your plan fell down when it proved too costly.
你的计划是不切合实际的，因为它被证实耗资太大。
Facts have proved time and again the truth that energy can be changed from one form into another.
事实一再证明能量可从一种形式转变为另一种形式。
《新英汉大辞典》
Have you proved it?
你证明过它吗？

Mrs.Shriver said that the Special Olympics proved a very important fact: that exceptional children with mental retardation can be exceptional athletes.
It was impossible-- doctors and scientists showed, runners, athletes, the top-ones in the world proved that the doctors were right.
那是不可能的，医生和科学家证明了，跑手，运动员，世上顶尖选手证明了医生们是对的。
哈佛公开课 - 幸福课课程节选
You kept your Social Security card and you pasted stamps on it that proved that you paid it.
你取得社会保障卡,并将邮票贴在上面,以此来证明你已支付过钱。
耶鲁公开课 - 金融市场课程节选

Its old-fashioned populist premise is that businessmen are rogues and guilty until proved innocent.
FORBES: Why Everybody's Jumping On The Accountants These Days

If something proves to be true or to have a particular quality, it becomes clear after a period of time that it is true or has that quality.
If you prove that something is true, you show by means of argument or evidence that it is definitely true.
If you prove yourself to have a certain good quality, you show by your actions that you have it.