他知道阴险毒辣的人的种种诡计。

He knows the wiles of the serpent.

但是，内心深处却十分阴险毒辣。凡是能力比他强的人，他都要设法加以打击和谋害。

But in his heart he was very sinister and ruthless. He constantly schemed against people he saw as possible rivals.