万一 まんいち
man'ichi

Noun

1. (unlikely event of) emergency; the worst(-case scenario); 10000 to 1 — literal

万一 まんいち場合 ばあい そなえて貯金 ちょきんするのは賢明 けんめいだ。
man ichino bāini sonaete chokin suru nowa kemmēda.
It is wise to save money for a rainy day.
Adverb
no-Adjective

2. (if) by some chance; by some possibility; in the unlikely event that

万一 まんいち かれがこちらへきたらすぐ らせます。
man ichikarega kochirae kitara sugu shirasemasu.
If by any chance he comes here, I'll let you know at once.
Other forms: