However, we wish to make a number of complaints concerning the serious delay in delivery and your failure to carry out our instructions with regard to this order.

然而，对于发货严重延误和贵方未能执行我方关于此订单的指示，我方想提出一些投诉。

youdao

The MQTT client tracks any publications that were in flight in the event of a connection failure, and it attempts to complete the message delivery upon reconnection.

MQTT 客户机可跟踪连接故障时的所有发布，并试图一旦重建连接就即刻完成消息传递。

youdao

While I knew I shouldn't let it, the mailman's morning delivery of another rejection letter for an article I'd submitted to a magazine made me feel like a black cloud of failure hung over my head.

虽然我知道自己不该这样，但是早班邮差送来的又一封我给杂志投稿的退稿信就象是一片失败的乌云挂在我的头顶上。

youdao

Additionally, injured parties are beginning to commence lawsuits against greenwashers when there is a failure of delivery.

FORBES: "Greenwashing": Deceptive Business Claims of "Eco-Friendliness"

The delivery service, part of the Royal Mail Group, apologised for the failure in the system which allowed people using the mail tracing service access to the name, postcode and signature at various addresses.

BBC: Royal Mail's Price Finder website hits glitch

Wicketkeeper Matt Prior suffered his second successive failure of the tour in the next over when he was given out lbw to seamer Rajesh Verma, from a delivery which kept low.

BBC: England collapse to heavy defeat