他乡遇故知

Explanation: Far encountered in the old home place. Instigator happiness. 　　Source: Qing Li Ruzhen "Flowers in the Mirror" X back: "Sure enough Youzhijingcheng, were killed him a month, today went to Tiger, who knows just met my fair niece. Encounter meet, really 'thousands of miles afar refresher event' can be described as Sanshengyouxing! " 　　Examples: Lao, I see you long poem, and finally today, '~', you should also do the poem, we read read. ★ Qing Liu E, "Travels" Twelfth Back Thesaurus:  have a welcome rain after a long drought