入国问俗

Explanation: Country: originally referred to the capital, after more than a country. To other countries or places, one should first understand its customs. 　　Usage: Partial official; as object clause; that respect the customs of other countries 　　Source: Han Dai Holy "Book of Songs ceremony": "into the ban and asked actually, into the country and asked the customs, entry and asked the taboo." Thesaurus:  take such measures as one suitable to local conditions, cut one'scoataccording to one's cloth, shutter walk, When in Rome do as the Romans do., Actually cut into the question, Into the state asked the customs, When in Rome do as the Romans do., when in Rome do as the Romans do, Shenliqianjie, Shutter Moving