with your eyes closed/shut idiom
闭着眼都能做，轻而易举，非常容易
If you could do something with your eyes closed or shut, you could do it very easily because you have done it many times.
I could do that journey with my eyes shut. 去那儿太容易了，我闭着眼都能到。
视而不见，不留意，不注意
noticing nothing
Half the time you go around with your eyes shut. 大部分时间里我们对周围发生的事漠不关心。