您要查找的是不是：
- I knew him for a Frenchman. 我认出他是一名法国人。
- I don't know him well though I've known him for a long time. 我对他并不了解，虽然我认识他已经很长时间了。
- I have known him for a long time. 我认识他很久了。
- I worked with him for a long time and knew him very well. 我和他长期共事，相知甚深。
- By the I read his new book, I had known him for a long time. 到我读他的新书时,我早就知道他了。
- Although I've known him for a long time, I don't know him well. 我对他并不了解，虽然我认识他已经很长时间了。
- I haven't seen him for a year or two. 我有一两年没见他了。
- We know him of old(= we have known him for a long time). 我们认识他很久了。
- I know him to have been a promising student of intelligence and ability. I strongly recommend him in his application. 我确信在智慧和能力方面他是一个很有希望的学生。为此我特别愿意推荐他。
- He speaks French well enough to pass for a Frenchman. 他法语流利得使人以为他是法国人。
- I haven't seen him for a long while. 我已经很久没见到他了。
- I knew him a long time before I fell in love. 我爱上他之前已认识他很久了。
- I should have asked him for a shot of penicillin. 我应当让他给我打一针青霉素。
- He and I have worked together for a couple of years. That's why I know him pretty well. 我和他在一起工作过两三年，这就是我所以对他比较熟悉的原因。
- I knew him at once for my long lost brother. 我立刻就认出他是我失散多年的兄弟。
- We know him of old,ie have known him for a long time and so know him well. 我们老早就认识他。
- I know him through and through, and he's a fool. 我对他的了解深得不可能再深,他是个傻瓜。
- I know him by sight but I can't remember where we met. 我觉得她很面熟，但记不起在什么地方见过面。
- We know him of old, ie have known him for a long time and so know him well. 我们老早就认识他。
- I know him for some time, he is in the Balearic Tennis Centre and he is around to pay some future events. 我知道他有一段时间，他是在巴利阿里网球中心和他周围的支付一些未来发生的事件。
