一心多用 yīxīnduōyòng to multitask Origin Definitions Defs Strokes Stroke Words Sentences Sents 一 yī numeral one one; the number 1; single; alone心 xīn noun mind thought; intellect; the organ of thinking多 duō adjectiveadverb multi- multi-; poly-; many; multiple (as a prefix in compound words)用 yòng verb to use To use; to employ; to apply or make use of something to achieve a purpose.