万无一失

wànwúyīshī

HSK 7

万无一失 — wànwúyīshī

  1. surerfire; absolutely safe; with no chance of failure

    这项计划经过反复论证,万无一失。 zhèxiàng jìhuà jīngguò fǎnfù lùnzhèng wànwúyīshī — This plan has been repeatedly reviewed and is sure to succeed.