It is not a ruler.

它不是尺子。

To be or not to be.

生存还是毁灭。

I do not like oranges.

我不喜欢橙子。

Do not worry. Be happy!

不要担心。要快乐！

There is not any bread.

没有面包。

He is not at all tired.

他一点也不累。

Do not hesitate to ask.

不要犹豫问问题。

I hope you're not angry.

我希望你没有生气。

I'm not sure about that.

我不确定。

He said he did not know.

他说他不知道。