非努力学习不可:要想考上好大学,你非努力学习不可。
If you want to get into a good university, you must study hard.
非每天锻炼不可:为了保持健康,我们非每天锻炼不可。
To stay healthy, we must exercise every day.
非提前准备不可:这次演讲非常重要,我们非提前准备不可。
This speech is very important; we must prepare in advance.
非遵守规定不可:为了大家的安全,非遵守规定不可。
For everyone's safety, we must follow the rules.
非找到答案不可:这个问题很关键,我们非找到答案不可。
This problem is crucial; we must find the answer.
非尝试不可:如果你想成功,你非尝试不可。
If you want to succeed, you must give it a try.
非及时完成不可:这个项目有严格的期限,我们非及时完成不可。
This project has a strict deadline; we must finish it on time.
非抓住机会不可:机会难得,非抓住不可。
Opportunities are rare; we must seize them.
非去不可:他的婚礼这么重要,我非去不可。
His wedding is so important; I must attend.
非见到他不可:有些话一定要当面说,我非见到他不可。
Some things must be said in person; I must see him.