This is a safe estimate.

这是个有把握的估计。

youdao

This is a safe place for you to stay.

你呆在这里很安全。

youdao

This is a safe haven?

黄金市场是个避风港？

youdao

This is a safe and popular method of watching Kilauea's lava moving slowly toward the ocean.

VOA: special.2010.09.08

The point I've got in mind here is this-- even when you think you're perfectly safe, you could of course die of a stroke.

我脑中所想的重点是-,即便是当你认为自己十分安全的时候，你当然也有可能死于中风。

耶鲁公开课 - 死亡课程节选

Engineers who are developing new materials, materials that can be, if you think about it, there's not very many things that you would want to put in your eye and you'll feel comportable to put in your eye so this is a very safe, a very inert material.

工程师们不断研制新的材料,这些材料应该是,想想吧,能让你们敢于,放到眼睛里的,并令人感到舒适的材料并不多,这应该是一种非常安全非常稳定的材料

耶鲁公开课 - 生物医学工程探索课程节选

It's clearly doing all it can to persuade tourists that this is a safe country to visit.

BBC: By Frank Gardner

" But he added, "We want to reassure folks today that this is a safe city made safe by the vigilance of all people.

CNN: U.S. anticipates al Qaeda 'threats of retaliation'

She said they would be working with "partners to ensure this is a safe event" and confirmed that if necessary the games could be scaled back.

BBC: 3,400 set for World Police and Fire Games in Belfast