说白了

shuō bái le nǐ shì wéi yī yǒu zuò àn dòng jī de rén

说白了，你是唯一有作案动机的人。

I put it to you that you are the only person who had a motive for the crime.

shuō bái le tā jiù xiǎng duō lāo huí kòu

说白了，他就想多捞回扣。

To put it bluntly, what he wants is to get more kickbacks.

shuō bái le tā men jiù shì bāng dú zhě chū è qì de

说白了，它们就是帮读者出恶气的。

They simply strengthen readers' sense of grievance.