He didn't understand a thing but nodded his head as if he did.如何翻译.

He didn't understand a thing but nodded his head as if he did.如何翻译.

他什么都不懂还点着头仿佛懂似的.

他根本不懂那件事，但他还是点头了，好像他懂似的
即：不懂装懂

他压根就不懂，但还点头就好像他懂似的。

他点头似乎好像明白了，实际上他根本就不了解那事儿