given the fact that this is probably wrong; in fairness
凭良心；公正地
how can we in all conscience justify the charging of fees for such a service?.
我们怎么才能凭良心证明为这种服务收费是合理的？。
weighing heavily and guiltily on one's mind
令人感到内疚；受到良心谴责
an act of providence had prevented him from having a death on his conscience.
天意阻止了他因良心谴责而自杀。
In all truth or fairness.
公平：凭事实或公正