天良

tiān liáng fā xiàn

天良发现

be stung by conscience

tiān liáng sàng jìn

天良丧尽

be entirely conscienceless

tā men zhēng duó fù qīn de qián cái zhēn shi sàng jìn tiān liáng

他们争夺父亲的钱财，真是丧尽天良。

The rush to get hold of their father's money seemed positively indecent.