After all, it is no use serving up TV dinners if the kids won't eat them.

归根到底，如果孩子们不肯吃，就是端上即食快餐也没有什么用。

It is no use trying to plan an 18-hole golf course on a 120-acre site if you have to ruin the environment to do it.

要规划一个占地120公顷、拥有18洞的高尔夫球场如果必须破坏环境才能做到，那就毫无益处了。

It is no use talking with him again.

再跟他谈也没有什么用了。

It is no use asking me what I don't know.

问些我不知道的问题是无济于事的。

It is no use explaining the reason to him.

向他解释理由是没有用的。

It is no use waiting on, for he won't come.

在等下去是没有用的，因为他不会来的。

It is no use to ask again after he said no.

他说不以后再问他都是没有用的。

It is no use saying, 'We are doing our best.'

说“我们尽力了”，没有用。

It is no use learning theory without practice.

学习理论不联系实际是无用的。

It is no use any knowledge is not in the world.

世界上任何知识都㧣不会是没有用的。

It is no use just taking; we should take actions.

光空谈是没有用的，我们还是干起来吧。

It is no use trying to suppress that side of myself.

要抑制我这方面的本能是无济于事的。

But it is no use just hoping the crisis will go away.

但仅仅期待危机过去，于事无益。

It is no use wasting time discussing how it happened.

浪费时间讨论这事是如何发生是没有用的。

It is no use employing radar to detect objects in water.

使用雷达探测水下目标是没有用的。

When you meet with difficulties in your work, it is no use losing heart.

当你在工作中遭遇到困难的时候，灰心是无用的。

It is no use being able to produce ethanol from trees if it costs $5 a gallon.

若花5美元从树木中制造1嗧乙醇就失去了意义。

"But the bat replied," It is no use your doing that now when you are a prisoner.

可是，蝙蝠却说：“你现在这样做根本没用了，因为你已经成为阶下囚。”

It is no use starting late in life to say: 'I will take an interest in this or that.'

到了晚年才开始说：“我会对这些人或那个人发生兴趣”，已没有用了。