unable to authenticate是什麽意思

unabletoauthenticate無法驗證authenticatev.證明為真；驗證例句用作動詞(v.)Theartdealerauthenticatedthepaintingasanoriginal.畫商證實這幅畫是真品。Thepaintinghasbeenauthenticatedbyexperts.專家已經驗證過這幅畫的真偽。