smooth over

US /smuːð ˈoʊvər/
UK /smuːð ˈoʊvər/
"smooth over" picture
1.

suavizar, minimizar

to make a problem or difficulty seem less serious or important than it really is

:
He tried to smooth over the argument between his friends.
Intentó suavizar la discusión entre sus amigos.
The manager tried to smooth over the customer's complaints with a discount.
El gerente intentó suavizar las quejas del cliente con un descuento.