万一英文

In case of a fire

if by any chance？

这个问题很难回答呀。就甘讲咯。

万一读法是一样的利落也可以说爽手

just in caseif by any chancecontingencyby any possibilityby any chanceif and when如果你万一见到他，请代我向他致意。If you should happen to see him, please give him my regards.可能下雨--你最好带把伞，以防万一（下起来）。It may rain you'd better take an umbrella (just) in case (it does).