英文释义 

Traditional expression meaning that it is easy to saysomething, but sometimes harder to accomplish it.

 

例句 Our new manager made many promises, but ‘talk is cheap’ and so we are waiting to see if hefulfills his promises.新上任的经理做出了很多承诺，但说起来容易，我们还要看他能不能兑现这些承诺。