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to search about for; to hunt around for; to look high and low for; to look everywhere for
財布を捜し回ったがどこにもなかった。
I searched everywhere for my wallet but couldn't find it.
彼は行方不明の愛猫を近所で捜し回っている。
He is searching the neighborhood for his missing cat.
手がかりを求めて図書館や書店を捜し回るのは大変だった。
It was hard work searching through libraries and bookshops for leads.