How could it be possible for them to go about without the pricks of conscience?

他们怎能虐待父母而不受到良心的遣责？

How is it possible for them to maltreat their parents without the pricks of conscience?

他们怎 能虐待父母而不受到良心的谴责？

And it is evidently a prick of conscience in her that has led her to urge me to get a divorce, that she may remarry this man legally.

显然，她的良心有问题， 促使她敦促我离婚， 以便她可以合法地再嫁给这个男人。