up to par

US /ʌp tə pɑr/
UK /ʌp tə pɑr/
"up to par" picture
1.

达到标准, 令人满意

up to the usual or expected standard; satisfactory

:
His performance wasn't up to par today.
他今天的表现没有达到标准
The quality of the product is not up to par.
产品质量没有达到标准