pat someone on the back
US /pæt ˈsʌm.wʌn ɑːn ðə bæk/
UK /pæt ˈsʌm.wʌn ɑːn ðə bæk/

1.
表扬某人, 称赞某人
to praise someone for doing something good
:
•
The coach patted his team on the back for their excellent performance.
教练表扬了他的团队出色的表现。
•
Don't just pat yourself on the back; there's still a lot of work to do.
不要只顾着自夸;还有很多工作要做。