つまずかなければならない【躓かなければならない】
tsumazukanakereba naranai
1. Must not stumble.; Must avoid stumbling.
★ Common
Adjective
#1873786
1. Must not stumble.; Must avoid stumbling.
1. I see; that's right
1. mere; simple
1. to trip (over); to stumble
2. to fail; to suffer a setback
1. National League
1. national chain
1. Becoming; After becoming
1. Became; Got
1. Become; Succeed