projection

His constant accusations of lying were just a projection of his own dishonesty.

(Chinese) 他不停地指责别人撒谎，其实只是他自己不诚实的心理投射。

Psychologists explain that projection often occurs when a person cannot accept their own faults.

(Chinese) 心理学家解释说，当一个人无法接受自己的错误时，往往会发生投射现象。