以一驭万 yǐyīyùwàn to control the key point Origin Definitions Defs Strokes Stroke Words Sentences Sents 以 yǐ preposition by means of to use; by means of; with; using the tool or method introduced一 yī numeral one one; the number 1; single; alone驭 馭 yù verb to govern (bound form) to manage; to control; to rule or govern万 萬 wàn nounadjective countless myriad; multitudinous; a great number