万不失一 wànbùshīyī absolutely safe Origin Definitions Defs Strokes Stroke Words Sentences Sents 万 萬 wàn nounadjective countless myriad; multitudinous; a great number不失 bùshī to not lose To not lose; to not fail to; to not miss (an opportunity) or depart from (a principle)一 yī numeral one one; the number 1; single; alone