/krt/
名词：拐杖，腋杖；比喻义指精神上的依赖或支撑。 动词：用拐杖支撑；依赖某事物。
He walked on crutches after breaking his leg.
他摔断腿后靠拐杖走路。
She realized that alcohol had become a crutch she relied on to cope with stress, rather than addressing the root of her problems.
她意识到酒精已经成了她应对压力的精神支柱，而不是去解决问题的根源。
源自古英语 crycce，意为"拐杖、支撑物"，与古高地德语 krucka 同源，原始日耳曼语词根为 krukjō，本义是"弯曲的棍棒"。该词自古以来就指代帮助行走的辅助工具，后来引申出"精神依赖"的比喻义，常用于描述一个人过度依赖某事物来逃避困难。
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