I understand why you're upset, sir. 先生，我明白您为什么恼火。

Well then, do something about it! 那好，想想办法吧！

I realize that we've started off badly, but I think you'll be pleased with the refinished work. 我知道我们开头开得不好,但我想我们的返工结果会使您满意的。

I expected a better standard. 我原以为水平会比这高。

I realize that we've started off badly, but I think you'll be pleased with the refinished work. 我知道我们开头开得不好，但我想我们的返工结果会使您满意的。