He did finally come with us, although it took a long time to persuade him.他最终的确和我们一块来了，但说服他也让我们费了半天唇舌。You can tell them till you're blue in the face, but they'll still do what they want.你就算费尽唇舌，他们还是会我行我素。You can argue till you're blue in the face, but it won't do you any good.你可以费尽唇舌，但是没有用的。