“For some reason or other” in Japanese
Short answer
For some reason or other in Japanese is “何とやら” (nantoyara). Full meaning: for some reason or other, somehow; whatsitsname, what-you-call-it, Mr. so-and-so; and so on, and you know the rest.
Other ways to say “For some reason or other” in Japanese
何かの拍子
nanikanohyoushi for some reason or other, somehow or other, by some chance
どういう訳か
douiuwakeka somehow, for some reason or other
何とはなしに
nantohanashini for no particular reason, for some reason or other, somehow or other
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