1 to say nice things to sb, often in a way that is not sincere, because you want to please him/her or because you want to get an advantage for yourself 恭维；奉承；讨好

2 flatter yourself (that) to choose to believe sth good about yourself although other people may not think the same 自以为: He flatters himself that he speaks fluent French. 他自以为说得一口流利的法语。

3 (usually passive 通常用于被动语态) to give pleasure or honour to sb 使高兴；使感到荣幸: I felt very flattered when they gave me the job. 我很高兴他们聘用我。