マンガイチ
Meanings
Adverb
1. (if) by some chance; by some possibility; in the unlikely event that; (lit.) 10000 to 1
Noun
2. (unlikely event of) emergency; the worst(-case scenario)
Pitch accent
ンガイチ
Composed of
10,000; ten thousand; myriad
one; 1; best; first; foremost; beginning; start
Examples (3 in total)
If he should come here, I will let you know at once.
Just in case, you should get auto insurance.
If she should come to Japan, Jane would be very happy.