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- He has seen much unhappiness in his life. 他一生经历了许多不幸。
- He has known both grief and happiness. 忧患和快乐他都经历过。
- Old Sam is poor now, but he has known better days. 老山姆现在很潦倒,可他以前曾风光过。
- He has known her from a child (=since childhood). 他从小就认识她。
- He has known both poverty and wealth. 他贫富生活都亲身经历过。
- He has known great misfortune in his life. 他一生中经历过巨大的不幸。
- It is probable that he has known everything. 很可能他什么都已经知道了。
- I don't believe all he says about the profits he is making; ever since I have known him he has liked to talk big. 他说他如何如何赚钱，我就不太相信，我们认识以来他总是喜欢吹牛。
- Though he doesn't know much, he always talks wildly and can't give a satisfactory explanation of what he has said. 他寡陋而妄言，时常不能自圆其说。
- He has known,all along,that she does not like him at all. 他从一开始就知道她不喜欢他。
- If he had known in time he would have been home. 要是他及时知道的话，他会回家。
- He has known, all along, that she does not like him at all. 他从一开始就知道她不喜欢他。
- We all thought he did not know this. Actulally he had known it much earlier. 我们都以为他还不知道这件事，其实他早就知道了。
- If he has read any of those book he will have know the answer. 他假若看了这些书中的任何一本，就知道答案了。
- If only he had known about it (but he didn't know)! 他那时要是知道(但他不知道)这事就好了!
- If only he had known about the news. 但愿他知道这个消息。
- He had known in advance of the invasion plans. 他事先就知道入侵的计划。
- I can't help thinking he knows more than he has told us. 我总觉得他没把他知道的事全告诉我们。
- He had known the Levine family only casually. 他跟列文一家只是泛泛之交。
- He said he had known her long before. 他说很久以前就认识她。
