I need to leave him an urgent message. This is Alice from Product Development.

我要给他留个紧急信息。我是产品开发部的艾丽斯。

The waiter drifted over and I gave him an urgent message.

服务员飘过来， 我给了他一个紧急消息。

Sorry to disturb you, but I have an urgent message.

【disturb】对不起打扰一下，我有个紧急消息。

The boxes are already being loaded onto the transport when you receive an urgent message.

当您收到紧急消息时，这些箱子已经被装载到运输工具上了。

If you have an urgent message to send, you can send it by electronic wire, using Morse code.

如果您有紧急消息要发送，您可以使用摩尔斯电码通过电子线路发送。