cover someone's back
US /ˈkʌvər ˈsʌmˌwʌnz bæk/
UK /ˈkʌvər ˈsʌmˌwʌnz bæk/
1.
支持某人, 保护某人
to protect someone from harm, danger, or criticism
:
•
Don't worry, I'll cover your back during the presentation.
别担心，演示期间我会支持你。
•
A good leader always covers their team's back.
一个好的领导者总是支持他的团队。