courtesy call

US /ˈkɜːr.tə.si ˌkɑːl/
UK /ˈkɜːr.tə.si ˌkɑːl/
"courtesy call" picture
1.

禮節性拜訪, 禮節性電話

a visit or telephone call made as a matter of politeness or goodwill, rather than for a specific purpose

:
The new ambassador paid a courtesy call on the president.
新大使向總統進行了禮節性拜訪
I just wanted to make a quick courtesy call to see how you're doing.
我只是想打個快速的禮節性電話,看看你怎麼樣。