白头如新

Explanation: Old age: hair white; new: SGX. To make friends with each other can not understand that, although a long time, still just met with the same. 　　Usage: The main predicate; as the predicate attribute; describe one who had known for a long time but do not know each other 　　Source: Qian Han, "Biography of Zou Yang Lu Zhonglian Historical Records": "proverb saying: 'there are bald as new, Qinggai before.' What if? Know and I do not know also." 　　Examples: Between eight years and the language will not receive, good and bad inconsistent hanged, suspected of anti-a ~. (Song Chenliang "and should Zhong book") Thesaurus:  Old age and the new Antonym Group:  hate Bosom friend evening, hate Meet evening, bosom friend to regret that something happened too late, regret not to have known sb. before, acquaintance to regret that something happened too late