1. He's calling on the Senate to take up House-passed background check bills and urging lawmakers to go further.
take up 开始处理;接受
Mr de Garis's MP, Max Madden, took up the case.
德加里斯先生的下议员马克斯·马登开始着手处理这个问题
。2. The law does make exceptions for people with certain mental illnesses and criminal convictions and it does not apply to long guns.
apply to 适用于
Find out ahead of time what regulations apply to your situation.
提前搞清楚什么规章适用于你的情况
。