The taxi drivers' association is urging its members, who can work as many hours as they want, not to overdo it.出租车司机协会劝告那些工作时长不受限制的会员不要疲劳驾驶。You need more exercise, but be careful not to overdo it.你需要更多锻炼，但要注意别过了头。My PT told me not to overdo it.我的理疗师让我不要治疗过度。