It was easy work, they said, checking out unsuspecting law students.
他们说，检查那些毫无戒心的法学院学生很容易。
2
Instead of checking crime, the law itself guilty of the evils it is supposed to punish!
法律本身犯下了它本应该惩罚的罪孽，它已经不能用于检验犯罪了！
3
Checking-out at 12:00 in hotel is a civil custom which is not definitely regulated by law, and it is also trading custom, and belongs to generalized civil custom.