彼一时，此一时

Explanation: It was a time, and now is the time. That at different times, the situation has changed. 　　Usage: Complex sentence; for predicate clause; describe different times, the situation is different 　　Source: Qin Meng Ke, "Mencius Gongsun Chou under the": "was then, this is now. There must be the King Hing five centuries, during which there must be those who were the world." 　　Examples: ~. He is now in heaven, I have to clean up Ha, from death gully, it was lucky, and dare What raved. (Ming Ling Meng-chu, "half an hour of surprises," Volume II 12) 　　Riddle: The two sides have six very different Thesaurus:  circumstances change with the passage of time, the affair is over and the situation has changed, Qingsuishiqian, Popular easily when moved, When the river rises, the boat floats high., Have changed, (literally) When water rises, the boat rises with it.--When the person one relies on rises in the world, one rises with him