我们对你的发明进行了严格的试验，但是我非常遗憾地通知你，试验结果是彻底失败的。

We put your invention through the acid test, and, I'm extremely sorry to tell you, failed miserably.

youdao

非常遗憾地通知你们，你方运出的货物抵达后，有8箱严重破损。

We regret to inform you that eight of the cases of your consignment arrived in a badly damaged condition.

youdao

非常遗憾地通知你们，你方运出的货物抵达后，有8箱严重破损。

We regret to inform you that eight of the cases of your consignment arrived in a badly damaged condition.

youdao