一起一伏 yīqǐyīfú to rise and fall Definitions Defs Origin Strokes Stroke Words Sentences Sents 一 yī numeral each each; per; every起 qǐ particleverb to rise to get up; to stand up; to rise (as in the sun, wind, or waves); to get out of bed一 yī numeral each each; per; every伏 fú to subside to go down; to drop; to fall lower (often used in contrast with rising)