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(depending on) how; (depending on) what; nature (of)
what is ...?; how is ...?; what will be ...?
結果の如何にかかわらず全力を尽くす。
I will do my best regardless of the outcome.
対応の如何によっては問題が拡大する。
Depending on how it's handled, the problem could escalate.
事の如何を確かめてから判断しよう。
Let's confirm the nature of the matter before making a judgment.