smooth over

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

穏便に済ませる, 和らげる

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.
彼は友人間の口論を穏便に済ませようとした。
The manager tried to smooth over the customer's complaints with a discount.
マネージャーは割引で顧客の不満を和らげようとした。