be blind to 和 turn a blind eye to 的用法

1.To be blind to this will lead to the gravest error.
看不到这一点,就会犯极大的错误.
2.A husband must be deaf and the wife blind to have quietness.
聋夫瞎妻得安宁.
3.I must have be blind not to realize the danger we are in.
我一定是瞎了眼,连我们身临险境也看不出来.
1.we cannot afford to turn a blind eye to them!
我们对此,能不警惕!
2.The police has turn a blind eye to the matter.
警方对那一事件视而不见.
3.It pays to turn a blind eye to some of things that go on around here.
对这里发生的一些事情应不予理睬.