We are constantly surrounded by noise, most of which is not audible to us unless we hold something like a seashell close to one of our ears.

我们经常被噪音包围，大多数噪音是听不见的，除非我们把海贝之类的东西靠近一只耳朵。

youdao

A cup of coffee, not audible.

喝咖啡时，不要发出声响。

youdao

This is not audible.

这是听不到的。

youdao

However, a number of former clients insist the beeps were not audible during the original conversations, say plaintiffs' attorneys.

FORBES: Salomon Secret Taping Mystery Solved?

Now loud enough to drown out entire words, they were not audible during a single one of the original calls, Grimley says.

FORBES: Magazine Article

The landowners insist the turbines would not be audible to homes.

BBC: Steven Robinson