self-deception
n. 自欺
Self-deception involves allowing yourself to believe something about yourself that is not true, because the truth is more unpleasant.
Human beings have an infinite capacity for self-deception.
人类自欺的本事是无穷的。
1. a misconception that is favorable to the person who holds it
Let us then beware of self deception.
那就让我们提防自欺行为吧.