done in an honest and sincere way

A good-faith effort has been made by both parties to settle. 双方都作出了真诚的努力解决问题。

used to describe money that is paid to show that you are serious about doing something or entering an agreement

What we're asking is that they make a good-faith payment on what they owe. 我们要求的是他们支付所欠的款项以示诚意。