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to be jumbled together
敵味方が入り乱れた。
Allied and enemy forces became jumbled together.
賛否が入り乱れて会場は騒然とした。
With supporters and opponents mingling chaotically, the hall was in an uproar.
交差点では歩行者と自転車が入り乱れる。
At the intersection, pedestrians and bicycles jostle together in confusion.