Overexertion and negligence will be your worst enemies .

劳累过度和忽视将是你最大的敌人。

As might be expected , the goal on friday will be avoiding overexertion .

正如所料，本周五的目标将避免王过度劳累。

Strengthening exercises are usually of limite help , and the patient with muscle disease should always be cautioned against overexertion .

剧烈肌力运动通常是帮助有限，而且肌肉疾病的病人应该随时注意避免过度运动。

Another indicator of overexertion is muscle soreness that doesn 't go away after a couple days .

运动过度的另一个指标是肌肉酸痛持续数天不消失。

If he works more fervently all the toil and trouble of his overexertion inconvenience him and him alone ; but at best he will enjoy an infinitesimal fraction only of the additional product that his overexertion has brought about .

假使他想更热情地工作，那么他为此而付出的所有辛苦和烦劳只会给他自己带来麻烦；他的“过分努力”充其量也只能给极其微不足道的一小部分产品增加些许的价值而已。