一见如旧

Explanation: First met on each other, like an old friend. 　　Source: "New Tang Fang Xuanling Biography" Taizong Weibei Dunhuang public as many have suggested, Ce Zhang Ye troops on the door, saw as the old. " 　　Examples: I though he had never met, but we ~, talk about anything. Thesaurus:  to be so delighted with it that one could hardly bear to put it down, loving something too much to part with it, as if one had found a treasure, affection Pregnancy again, body humaneness, click, Side as the old, Subject to Jane, Subject most valuable treasure, Treasure, Traversing it to be so delighted with it that one could hardly bear to put it down