1. He needed to relax after the exertions of a busy day at work. 他忙碌工作了一天后需要休息。
2. After two days' exertions, it's the arms and hands that seize up, not the legs. 两天的劳累之后,突然发僵的是胳膊和手,并不是双腿。
3. Tom was panting with his exertions by this time. 这时汤姆拼命地喘着大气。
4. He generally invited Peter to stay to supper afterwards, which liberally rewarded the boy for all his great exertions. 他通常邀请彼得留下来吃晚饭,这是对孩子所有努力的慷慨奖励。