What are some sentences for scolding someone who is playing tricks behind their back?

1. If you have the ability, show up. Don’t always do dirty things behind your back to make people feel dirty.

2. You told me and let me know. I can ignore you.

3. Always do one thing in front of others and another behind the scenes.

4. If you tell me, I won’t lose anything, but please stop in moderation.

5. Hypocritical and inconsistent.

6. It’s fun to gossip behind your back, right?

7. Can you please stop making trouble in front of your colleagues in the future?

8. I am a process-oriented person, and the results are not that important to me. I like people who are pragmatic and sincere. Even if you don't know or can't do it, you must tell me clearly and don't play tricks on me or pretend to be mature!