一碧万顷 yībìwànqǐng vast expanse of blue Origin Definitions Defs Strokes Stroke Words Sentences Sents 一 yī numeral whole whole; entire; throughout; all碧 bì emerald green bluish green; emerald green; blue万顷 萬頃 wànqǐng vast area An immense expanse of land or water; vast; boundless