成语集锦 1.world is but a little place, after all. 天涯原咫尺，到处可逢君 Explanation: it is used when a person meets someone he knows or is in someway connected with him in a place where he would never have expected to do so. example: who would have thought i would bump into an old schoolmate on a trek up mount tai. the world is but a little place after all. 2. when in rome, do as the romans do. 入乡随俗 explanation: conform to the manners and customs of those amongst whom you live. Example: I know you have egg and bacon for breakfast at home, but now you are on the Continent you will do as the romans do and take coffee and rolls. 本文来源：https://www.wddqw.com/doc/a8dc9f00b52acfc789ebc91e.html