国家标准
guójiā biāozhǔn
National standard
达到标准
dádào biāozhǔn
Meet the standard
这个答案不标准
zhège dá'àn bù biāozhǔn
This answer is not standard
说话很标准
shuōhuà hěn biāozhǔn
Speaks in a standard way