good-neighbor (adj.)youdaoicibaDictYouDict[good-neighbor 词源字典]
also (chiefly British English) good-neighbour, adjectival phrase, in reference to U.S. foreign policy, especially in Latin America, 1928, originally in Herbert Hoover. The good neighbours is Scottish euphemism for "the fairies" (1580s).[good-neighbor etymology, good-neighbor origin, 英语词源]