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何か知ら (なにかしら) — somehow (or other); for some reason; without knowing why
何か知ら
somehow (or other)
何 「なん」「なに」「など」
what
何か 「なにか」「なんか」
something; some; any
何なのか 「なんなのか」「なになのか」
what is it (that); the meaning of something; what something is about
何人か なんにんか
some people; a number of people; several people; a few people
何日か なんにちか
some days; several days