To be subtly influenced and potentially corrupted by one's environment or companions, often implying a change for the worse.
青少年在成长过程中，如果交友不慎，很容易迁兰变鲍，受到不良习气的影响。
During adolescence, if young people are not careful in choosing their friends, they can easily be subtly influenced for the worse and pick up undesirable habits.
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