求翻译：我很抱歉你还没有收到我们的陶瓷刀，这必定是我们工作存在着失误。我是想问下你，是否还需要我们的陶瓷刀？如果要的话，我们将给你发送一套陶瓷刀，如果不要的话，我们将退款给你。是什么意思？

正在翻译，请等待...

I am sorry you have not received our ceramic knives, it definitely is our work there is a mistake. I should like to ask is whether you also need our ceramic knives? If you want to, we will give you a set of ceramic knives send if not, we will refund to you.

I was sorry very much you have not received our ceramic knife, this is surely we works has the fault.I am want to ask you, whether also needs our ceramic knife? If will want, we will give you to transmit a set of ceramic knife, if will not want, we will refund money for you.

I'm sorry that you have not received our ceramic knives, there is a mistake that must be our work. I want to ask you, do we need our ceramic knives? If so, we will send you a set of ceramic knives, if not, we will refund your money.

正在翻译，请等待...