put someone's mind at rest
US /pʊt ˈsʌm.wʌnz maɪnd æt rɛst/
UK /pʊt ˈsʌm.wʌnz maɪnd æt rɛst/

1.
طمأن, أراح بال شخص
to tell someone something that makes them stop worrying
:
•
I called her to put her mind at rest about the children.
اتصلت بها لـطمأنتها بشأن الأطفال.
•
The doctor's explanation helped to put my mind at rest.
شرح الطبيب ساعد في طمأنة قلبي.