sound the all clear的意思|示意

HAVING raised the alarm on deflation, the Federal Reserve has now begun to sound the all clear.

美联储曾经拉响了通货紧缩的警报，现在开始解除警报了。

The scientists believe that perhapsbirds prefer not to take any chances - and to steer clear of all insects thatlook, sound or fly like a bumblebee to avoid being stung.

科学家相信，也许鸟类宁愿不去尝试更多的机会——要避开所有如大黄蜂的长相、声音和飞行模式的昆虫就是为了避免被蛰。

First of all we need the sound to be clear and very high.

首先，我们需要声质一定要好，而且音量要大。