I felt duty-bound to help him.

我觉得帮助他责无旁贷。

To this end the entire society is duty-bound.

我想，这一点全社会都责无旁贷。

Schools are duty-bound to prevent and check campus crimes.

预防、减少在校学生犯罪，学校责无旁贷。

Believed that they will also achieve the duty-bound matter.

相信他们也会做到份内的事。

Did you angrily pulling the suitcase, a person is duty-bound to leave.

当初你愤然地拉行李箱，一个人，义无反顾地离开。