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to talk down; to argue down
彼かれを言いいい籠めるこめるのは難しいむずかしい。
It's difficult to talk him down.
彼女かのじょは冷静れいせいに相手あいてを言いいい籠めこめた。
She calmly talked down the other person.
弁護べんご士しは相手あいて側がわの証人しょうにんを言いいい籠めこめている。
The lawyer is arguing down the opposing witness.