When he heard this, Meng Da said that Your Excellency understood human nature and acting otherwise would then be against said human nature. He truly did not believe what Wang Chong said and greatly trusts and admire you.
When Meng Da heard this, he declared that Your Excellency has a deep comprehension of human nature, and deviating from it would be inconsistent with the fundamental principles of humanity. He was unconvinced by Wang Chong's claims and has utmost confidence and reverence for you.