不必

There is no reason to be anxious about the result.

不为这结果而担心。

God forbid that I should ever have to work with him again.

但愿不再与他共事。

We shall have to trim away the unnecessary parts of the spending.

须削减不要开支。

Some parents worry unnecessarily about their children.

有些父母不要地为孩子担心。

She wanted to enjoy her retirement without being beset by financial worries.

她想享受退休生活而不为金钱担忧。

There’s no sense in taking unnecessary risks.

做不要冒险毫无意义。

Don't labour the reader with unnecessary detail.

不要用不要细节使读者疲倦。

There is no cause for anxiety.

不焦虑。

There is no ground for anxiety.

不担心。

The dampness is uncomfortable,not to mention the cold.

潮湿就令不舒服,更不说寒冷了。

His films are full of gratuitous violence.

他拍影片充满了不要暴力。

It is needless to add that you are in want of a second.

你需要一个助手, 那是不说。

I needn't wait, I may as well tell you now.

不等了, 不妨现在就告诉你。

Linda, my blossom, you needn't say anything.

琳达，儿，你不说什么了。

You needn't start praying over me yet, I'm still alive!

还活着呢, 你且不为祷告!

You needn't have told him the news; he knew it already.

你不再告诉他这个消息，他已经知道了。

Do stop flapping about, we'll get the job done in time.

大可不担心, 会按时完成这项工作。

As a scholar you will not have to pay college fees.

作为接受奖学金学生, 你不付大学费用。

Computers have done away with a lot of the repetitive work.

有了计算机就不再做很多重复性劳动。

You understand the situation; I needn't elaborate any further.

你对情况是了解, 不再进一步详谈了。