You can rest assured. I'll make it.

你尽管放心，我会成功的。

youdao

You can rest assured that we will do our best.

你放心吧，我们会尽力而为的。

《新英汉大辞典》

Naturally, you think you can rest assured that it is correct.

自然地，您认为可以放心它是正确的。

youdao

And if governments then find themselves crushed by debt, you can rest assured that this independence will be taken away.

ECONOMIST: Economics focus: Heading for a fall, by fiat? | The

This approach may seem like a timely and expensive investment, but you can at least rest assured you have an audience chomping at the bit for this type of content.

FORBES: Get Feedback and Shake Up Your Site

We will establish nationally recognized standards for worker training and certification so when you decide to invest in a home retrofit, you can rest assured that the work will be done right.

WHITEHOUSE: Council on Environmental Quality Blog