万无一失萬無一失

wàn wú yī shī

HSK level: HSK 7–9

Meaning

surefire; absolutely safe (idiom)

Learn in the app → Write in stroke order

Characters

万wànten thousand; innumerable一无wúno, not; lacking, -less一尢一yīone; a, an; alone 失shīto lose; to make a mistake, to neglect丿夫