She came in on crutches that morning, her foot still in a cast.那天早晨她拄着拐杖来了，她的脚上还上着石膏。
Parent's love was her crutch in times of sorrow.父母的爱是她悲伤时的精神支柱。
She sprained her crutches when she was dancing.她在跳舞时扭伤了胯部。