To find fault or criticize for petty reasons; cavil .

吹毛求疵找碴子或为了琐屑的原因而批评；

youdao

And many Republicans criticize the Fed chief himself a Republican for what they see as too much spending.

VOA: special.2009.08.28

Some people criticize his art for only showing a false or very limited image of America, one that is white and middle-class.

VOA: special.2010.09.20

But,I believe you should never criticize others for something you would do yourself.

VOA: special.2010.05.09

These are the same people who one day criticize us for spending too much money, the next day criticize us for spending too little.

NPR: Ailing A-Rod Will Make More Than Houston Astros

Many of China's exports are products that are made in China on contract for foreign companies, he said, so the U.S. shouldn't criticize China for running a big trade surplus.

WSJ: Tech Supply Chain Exposes Limits of Trade Metrics

' If you are talking about climate change, for instance, rice paddies emit very significant levels of methane, but you can't very well criticize people for growing food.

CNN: China: Economic growth, environmental destruction