动词辛勤工作; 做牛做马

1. 拼命干活：win the horse or lose the saddle [口]孤注一掷 | work for a dead horse 干不可能再得到报酬的工作 | work like a horse 拼命干活

2. 辛勤工作：work in 插进; 配合; 引进 | work like a horse 辛勤工作 | work miracles 创造奇迹

3. 勤奋工作：buy a white horse(喻)浪费金钱 | to shut the stable door after the horse is stolen为时已晚 | work like a horse勤奋工作