A clear conscience is a sure.card

• 光明磊落；胜券在握

A clear conscience is a sure.card的用法和样例：

例句

1. Plain dealing is praised more than practised.
   光明磊落人人夸，身体力行有几人？
2. He was enough of a man to tell the truth.
   他光明磊落讲了实话。