“法律上”造句

学校对你的孩子负有法律上的安全责任。
The school is legally responsible for your child's safety.

从法律上讲，货车司机一星期可工作82小时。
A lorry driver can legally work eighty-two hours a week.

从法律上讲，会有点问题。
It could be a bit problematic, legally speaking.