nothing about的意思？

没有什么

对…什么也没有
例句与用法:
1. He is nothing but a hypocrite, pretending that he knows nothing about it.
他是一个虚伪的人，假装对那件事一无所知。
2. He professed to know nothing about the matter.
他声称对此事一无所知。
3. He cares nothing about the malicious attack on his reputation.
他对别人对他名声的恶毒攻击置之不理。
4. I know nothing about Latin grammar.
我一点都不懂拉丁语法。
5. I know nothing about agriculture.
我对农业一窍不通。
6. He answered that he knew nothing about it.
他答复说关于此事他一无所知。
7. I know nothing about computer hardware.
我对计算机硬件一窍不通。
8. Do you really care nothing about your future?
你真的一点也不关心你的将来？

意思：什么？