carrot-and-stick 恩威并施向大家介绍一个有意思的词： carrot-and-stick

adj.

Combining a promised reward with a threatened penalty:
软硬兼施的把遥的奖赏与威胁遥的惩罚结合在一起的： (来源：2hzz.
com)
took a carrot-and-stick approach to the rehabilitation of juvenile offenders.

对少年犯的改过自新采取恩威并施的方法