海內無雙 hǎinèiwúshuāng unrivaled Origin Definitions Defs Strokes Stroke Words Sentences Sents 海内 海內 hǎinèi within the country within the borders of the country; throughout the land; the whole world. Based on the ancient belief that China was surrounded by four seas.无双 無雙 wúshuāng unparalleled unrivaled; incomparable; unique; there is no other that can compare