1.confirm的基本意思是“证实”“确定”,指以不可辩驳的.事实或不容置疑的陈述证实某事的真实性、准确性、正确性以及有效程度，引申可表示为“认可”“坚定”。
2.confirm是及物动词,其主语多为人,宾语可以是名词、代词或that从句,也可接以as短语充当补足语的复合宾语。
(1)S+～+ n./pron.
The agency confirmed the contract.
经销处批准了合同。
The news confirmed my resolution.
这消息坚定了我的决心。
(2)S+～+that-clause
The announcement confirmed that the election would take place on June 20th.
公告证实选举将在6月20日举行。
It is confirmed by experience that this is the right approach to the command of grammar.
经验证明这是掌握语法的正确途径。
(3)S+～+ n./pron. +as n.
He was confirmed posthumously as a member of the Chinese Communist Party.
他被追认为中国共产党党员。