1.confirm的基本意思是“證實”“確定”,指以不可辯駁的事實或不容置疑的陳述證實某事的真實性、準確性、正確性以及有效程度，引申可表示為“認可”“堅定”。
2.confirm是及物動詞,其主語多為人,賓語可以是名詞、代詞或that從句,也可接以as短語充當補足語的復合賓語。
(1)S+～+ n./pron.
The agency confirmed the contract.
經銷處批準了合同。
The news confirmed my resolution.
這消息堅定了我的決心。
(2)S+～+that-clause
The announcement confirmed that the election would take place on June 20th.
公告證實選舉將在6月20日舉行。
It is confirmed by experience that this is the right approach to the command of grammar.
經驗證明這是掌握語法的正確途徑。
(3)S+～+ n./pron. +as n.
He was confirmed posthumously as a member of the Chinese Communist Party.
他被追認為中國共產黨黨員。