自以為是,自鳴得意 have a high opinion of oneself; have the pleasant thought, perhaps mistaken opinion
flatter oneself
Don\\\'t flatter yourself, you could be wrong next time.
不要自以為了不起,下一次你就可能出錯。
The chairman flatters himself on his judgment of people.
主席自認為他審視人比別人高明。
flatter oneself that-clause
I flatter myself that my judgment is usually correct.
我自認為我的判斷一般是正確的。
The government is flattering itself that it can win the next election.
本屆政府自以為能在下次選舉中獲勝。
We flatter ourselves that we provide the best service in town.
我們相信我們提供的服務在本市最好。
They flattered themselves that they would win.
他們自信一定會贏。
He flattered himself that he spoke French with a perfect accent.
他自以為法語說得很標準。