It may be advisable to have a blood test to put your mind at rest.

验一下血让你自己安心也许是明智的。

《柯林斯英汉双解大词典》

Try to put the rest of the clutter out of your mind for now and just deal with the task at hand.

试着暂且忘掉其他的杂乱，只处理手头的工作就好。

youdao

Let me put your mind at rest about that.

有关那一点，请您尽管放心好了。

youdao

But to put his mind at rest, he asked Ewert for a meeting.

FORBES: Magazine Article

That put my mind at rest.

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Hopefully that doesn't lead to any unintentional interhousehold griefing as users manage the often inadequate hard drive space in their cable DVR, but it can certainly put ones mind at rest to know The League (or whatever your show of choice might be) was successfully archived.

ENGADGET: Comcast quietly updates DVRs with ability to list stored programs from the web, mobile apps