没看见他的作品很难估计他的能力的翻译：Didn't see him it's hard to measure the ability of work 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Did not see his work is difficult to estimate his ability

Didn't see him it's hard to measure the ability of work

Has not seen his work to be very difficult to estimate his ability

Didn't see his works are difficult to estimate his capacity

Didn't see him it's hard to measure the ability of work