久别重逢

Explanation: Friends or relatives that were in again after a long meeting. 　　Source: Qing Zeng Pu, "Flower" Third gone back many years, said a few long-awaited reunion, then call us to sit down, nunnery brought tea. " 　　Examples: Compared with the other members of the various brothers and sisters, blink has old age, ~, feeling more than flesh and blood, the tears were as much for gratitude. (Guo "Bo Song" Chapter X) Thesaurus:  old friend,old acquaintance reencounter