I speak as a man of experience. 我以过来人的身份讲这些话.
Can I give you a piece of advice? 我可以劝你一句话? Don't volunteer all the time. 不要老是自告奋勇. Let me play the devil's advocate here. 让我来唱黑脸. 让我来扮演坏人的角色 . Easy for you to say. 你说得倒蛮轻松.
Get with it! 要赶上别人的步调! He's wise to your tricks. 他太精了, 不会中你的诡计.
