if by any chance, in the unlikely event that
もし万が一私が失敗したら両親は何と言うだろう。
I wonder what my parents would say if I failed.
もし万が一彼女が日本に来るとすれば、ジェーンはとても喜ぶだろう。
If by any chance she were to come to Japan, Jane would be delighted.
でもすごくゆっくり歩くからね万が一気が変わるかもしれないから
But I’ll walk very slowly, just in case you change your mind.
— 罪人たち (2025)
万が一、何かあったら、どうか子供たちの面倒をみてやってください。
If anything should happen to me, please take care of the children.