中文翻译英文，机器就别来了

Question

你好，我刚刚看到你付款了才发现我犯了个大错误，我设置错了运费折扣，真的很抱歉！这些一起31美金是亏大本的，我算了下就算是保本也要280美金的，希望你可以谅解，这个被我们老板知道要开除我的，而且还要扣我2个月的工资，他肯定要处罚我的，我不能没有这份工作的，真的非常希望你可以体谅下我！假如你愿意的话希望你能再加点钱，就算保本卖给你280美金可以吗？如果你不愿意的话那我把款退给你，交易取消行吗？这是我的过错！我得到了教训了，只希望你可以谅解！就当交个朋友，可以吗？再次希望能得到你的原谅，非常抱歉！急盼你的回复！
主要意思就是卖了一个东西,买家只付了31美金,而且是包括运费的，但是成本加运费要280美金,所以想和买家协商解决下

Answer 1

你表达的很不清楚，我有点不太明白你的意思，所以不太好翻译。 什么叫 “这些一起$31是亏大本的”你是说货物还是运费？ 什么是保本也要280，你是说成本吧？ 说了半天你也没有说出来正确的价格是多少。 如果你是和公司做生意的话，直接说正确的价格是多少，让他们把余款补全，不行的话再退一步要成本。 直接上来就是求人家给个成本，人家不肯你再退哪里？
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harrydotter_wh 的英文很有问题，不能用。
siyuanfanyi 可以当最佳答案，但是稍微改下
i）把 very sorry 改成 do apologize. sorry大部分时候表示遗憾，和小歉意，正式道歉不用的。

ii) 31 usd and 280usd, 此处转折，and改成but； 接着后面blance with my cost， with 改成 which could cover

iii）i wish to have your understanding 改成 It would be so appreciate if I have our great understanding.

最后，我建议你，把“如果我老板知道我会。。。”和最后“我保证以后不会了”去掉。
iii）

Answer 2

Hello, I found I made a big mistake just after I saw you payed, I set a wrong shipment fee discount, I feel so sorry! $31 for all of these is so below cost, and I’ve calculated the cost is $280, hope you can understand, my boss will dismiss me if he knows, and 2-month salary will be put off, he will surely punish me, I need this job, really hope you can help me! If you can, please pay more, just adding up to $280, is that OK? Just for cost. If you do not agree, could you cancel the deal? I can pay you back. It was my fault! I learned the lesson, just hope you can understand! We can be friends, looking forward to you forgiveness, I feel really, really sorry! Looking forward to your response!

一句一句照你写的翻的，他能看懂，我很同情你，希望他能理解。

Answer 3

Dear Sir/Miss
I am very sorry to tell you that I realized one mistake when I got your payment. The freight discount was set up incorrectly. I have to suffer great lost at the price 31 USD and 280 USD is just balance with my cost. I really apologized for any inconvenience caused owing to this mistake. If my boss know this, I will be absolutely fired and lose two-month salary. The price needs to be adjusted to 280 USD if you can accept, or I have to return back your payment and cancel this order. This is completely my fault and I am very sorry for this. I wish to have your understanding. And I promise no mistake will happen in the future.

Sincerely apologize for this.
Look forward to your reply.

Answer 4

放心，鬼佬有话好说，最重要诚实告诉他。
Dear sir/madam
Hi!I just found that i have made a big mistake after i checked the money you paid.I made a mistake on the bill,i really sorry about that.The price i put was 31 USD ,and i checked that at least minimum 280USD where we don't make loss.I hope u understand that.
If my boss know that,i will be dismiss and cut off 2 month salary.My boss will punish me and i really can't lose my job.Again wish you understanding.It would be great if you please accept 280USD where we cover back the cost.Or i have to return back your payment and cancel the order.I know this is my fault and i have learned from this.
I wish to have your great understanding,please forgive me and i appreciate that.
Sincerely apologize for this
Look forward to your reply