我必须确保这回不会有事发生。

I have to make sure this time that nothing happens.

youdao

我必须确保非常谨慎小心地执行这个过程。

I had to ensure that the process would be executed with a great deal of care and attention.

youdao

为此，我必须确保我们提供的指导是一致的并以最佳证据为基础。

To do so, I must ensure that the guidance we provide is cohesive and based on the best evidence.

youdao