If you think he'll help us, you're just kidding yourself.如果你认为他会帮我们，你就是在自欺欺人。

“I think he'll help us if we ask him.” “Don't kid yourself—he's only interested in his own problems.”“我觉得如果我们向他求助，他会帮我们的。”“别自欺欺人了——他只在乎自己的问题。”