This big trumpet is not for speaking, but for listening to the sound of water.

这个大喇叭不是用来传音的，而是用来听水声的。

youdao

And the first voice, which I had heard speaking to me like a trumpet, said, "Come up here, and I will show you what must take place after this."

我初次听见好像吹号的声音，对我说：“你上到这里来，我要将以后必成的事指示你。”

youdao