ignore的名词是ignorance，形容词是ignorant。ignore的基本意思是“不顾，忽视”，指的是有意地忽视某人或某种现象，也指忽视了比较明显的东西，甚至可指闭上眼睛不去看不想看的东西。用作及物动词，接名词或代词作宾语，可用于被动结构。

The best way to deal with a tease is to ignore him.

对付爱捉弄人的人的最佳方法就是不搭理他。

They knew that discrimination was going on， but chose to ignore it.

他们当时知道歧视现象仍然存在，但是宁愿装聋作哑。

Such arguments ignore the question of where ultimate responsibility lay.

这些争论忽略了最终责任由谁来负的问题。

Ignore the early warnings and illness could result.

忽略早期征兆可能会导致疾病。

Ignore it at your peril.

无视该问题要自担风险。

Older people often try to ignore their infirmities.

年纪大的人常常试图忽视自己年迈体衰的事实。

I could no longer ignore the fact that he was deeply unhappy.

我再不能对他深感不快这个事实不闻不问了。

It would be irresponsible to ignore the situation.

对这一状况不闻不问，那就是不负责任。