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to (call and) stop; to call (someone) to stop; to hail (e.g. a taxi)
通りかかったタクシーを呼びとめて乗り込んだ。
I hailed a passing taxi and got in.
彼は去ろうとする彼女を呼びとめた。
He called out to stop her as she was about to leave.
警官が道端で男を呼びとめている。
A police officer is stopping a man on the side of the road.