不了解 的中文句子和英文句子

我对他并不了解，虽然我认识他已经很长时间了。

I don't know him well though I've known him for a long time.


我并不了解讨论的情况，所以无法告诉你做了什么决定。

I was not privy to the discussion, so I cannot tell you what was decided.


由于没有适当的导航援助，飞行员不了解周围气候的变化情况，将飞机直接飞入了热带飓风眼内。

Not having proper navigational aids the pilot had been unaware of the changing conditions and had flown the plane right into the eye of the tropical storm.