When either telephone handset is taken off-hook, the remote telephone automatically rings.

当任意一端电话话筒被拿起时，远处的电话就会自动响起。

youdao

With the popularization of cars, there is a great demand for car telephones. But most mobile telephones don't have the function of off-hook, so it's very meaningful to develop a kind of car telephone.

当今随着汽车的日益普及，人们在驾驶中使用手机免提的需求也日益增强，但是绝大多数手机并不具备免提功能，因此开发一套车载手机免提系统非常有意义。

youdao

But let us not pretend that it lets us off the hook.

但是，让我们不要假装这样做我们就可以逃脱责任了。

youdao

No one gets off the hook on this one -- from governments to schools, corporations to nonprofits, all the way down to families sitting around their dinner table."

VOA: special.2010.06.07

A real-time hook off that payment goes back to that sort of visualization.

即时摘机付款,回归可视化。

斯坦福公开课 - Twitter之父Jack.Dorsey演讲：好奇和灵感的力量课程节选

Aside from posing better odds for success, reputable folks may occasionally let you off the hook-if they find another backer.

FORBES: The Play's The Thing

Wales stand-off James Hook also provides cover at inside centre, but having opted not to replace the injured Tom Shanklin from the original party, the Lions' resources are rather thinner at outside centre.

BBC: Lions call up Ireland back D'Arcy

Chief Executive Jerry Yang off the hook--for now.

FORBES: Magazine Article