英语习语：

out of earshot 不在听力所及范围

——Hey? John! John! (嗨! John! John! )
——Save your breath. He's out of earshot. （省口气吧，他听不见。）

双语例句：
It might be feasible to clone the connection between a Bluetooth headset and phone so an eavesdropper could connect to the phone while its owner was briefly out of earshot.
偷听者克隆蓝牙和电话的联接，当主人不在听力所及的范围时，就可以和电话联通，这种办法也是可行的。

Save your breath. He's out of earshot.
省口气吧，他听不见。

The world is not interested in what you dislike. Keep negative opinions to yourself, or between you and your friends, and out of earshot of adults.
世界对你不喜欢的东西没有兴趣。保留自己的或者你与朋友之间的消极看法，就会听不进成人的建议。

Keep negative opinions to yourself, or between you and your friends, and out of earshot of adults.
把负面的建议留给自己和你的朋友，不要让大人听到。