no saint
不完美、不无私或存在缺点的人
口语·自谦或承认缺点
英文释义
someone who is not perfect or morally upright; someone with flaws or faults
例句
I'm no saint, but I try to do the right thing most of the time.
典故来源
源自基督教圣人概念，指普通人并非完美无缺。