1. The company's profits have increased threefold since last year.
这家公司的利润自去年以来增加了三倍。

2. The new regulations will bring about a threefold increase in safety measures.
新规定将导致安全措施增加三倍。

3. The project's success can be attributed to a threefold strategy of innovation, collaboration, and dedication.
这个项目的成功可以归功于创新、合作和奉献三方面的策略。

4. The population of the town has grown threefold in the past decade.
这个小镇的人口在过去十年里增加了三倍。

5. The athlete's performance improved threefold after undergoing intense training.
这名运动员在接受了激烈训练后表现提高了三倍。

6. The benefits of volunteering are threefold: personal growth, community impact, and skill development.
志愿服务的好处是三方面的：个人成长、对社区的影响和技能发展。