'Are you really sure?' she repeated.

“你真的很肯定吗？”她重复问道。

《牛津词典》

He simply repeated the cycle eight times (for a total of 40 minutes), and made sure he did three workouts a week.

他只是简单地重复这个循环八次(总共要40分钟)，确保自己一个星期有三次进步。

youdao

No one can say for sure why the FDA has ignored repeated pleas from Congress, beekeepers and the honey industry to develop a U.S. standard for identification for honey.

没有人知道FDA无视国会、养蜂人和蜂蜜行业一再请愿要求建立鉴定蜂蜜统一标准的确切原因

youdao

He told Israel Radio that Lebanon must make sure that such incidents will not be repeated.

VOA: standard.2010.08.04

Weird things, bad things can happen and so one of the lessons too that will be repeated throughout the course is to actually rigorously error check and make sure that you're always thinking about your user being a bad guy.

各种古怪的事情就会蜂拥而至,所以在这个课程中我反复强调,要一丝不苟地检查错误,你就当你的用户是个调皮捣蛋的家伙。

哈佛公开课 - 计算机科学课程节选

To be sure, repeated movement of the arms and wrists, especially in awkward postures, often leads to injury.

CNN: Strains in the Workplace

The Republicans would make sure it repeated on him throughout 2012.

BBC: Tea Party: Right-wing 'nutters' or mature adults?

As Mitt Romney spoke to Latino leaders in Florida, I am sure I heard the repeated sound of shattering glass.

BBC: Romney immigration barbs show his weakness on the issue