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

1.
안심시키다, 마음을 편하게 하다
to tell someone something that makes them stop worrying
:
•
I called her to put her mind at rest about the children.
아이들 때문에 그녀를 안심시키기 위해 전화했어.
•
The doctor's explanation helped to put my mind at rest.
의사의 설명이 내 마음을 편안하게 해줬어.