I have to be sharp and clever, lest I go hungry.

我得机智灵活，要不然就挨饿。

Am I great insect creature or what? !

我是伟大的昆虫生物，不然呢？！

Unless the fact is accepted, however, the human physical structure will never be understood.

然而除非这事实被接受，不然人类的身体构造将永远无法被理解。

You give me back my sweater or ten bag mariner.

把我的毛衣还给我，不然就番茄酱拌手提包。

We won't be able to get anywhere until you sort this out.

除非你解决了这问题，不然我将毫无进展。

Or we could shatter into countless theoretical shards.

不然我会碎成无数的理论片。

Ok! Would you mind writing me a doctor’s note for work, otherwise they may think I am faking it!

好的，你以给我假单吗？不然他会认为我在假装生呢！

Stop crying before I give you something to cry about.

别哭了，不然我真让你哭出来。

Who's gonna walk you down the aisle?

不然谁带你走红毯啊？

They threatened to kill her if she ever told anyone.

他威胁她不要说出去，不然就会杀掉她。

They wouldn't let me confirm my appointment unless l designated an emergency contact person.

他不然我确定我的预约，除非我签上一紧急联系人。

Welcome or not, I found it necessary to attach myself to someone before I should begin to address cordial remarks to the passers-by.

我觉得不管人家欢迎不欢迎，必须给自己找伴，不然的话，我恐怕要跟过往的客人寒暄起来了。

But it wasn't exactly a sophisticated approach.

他的做法听似精密实则不然。

Control your destiny or someone else will.

掌握你自己的命运，不然别人就会插手。

There is no point starting at the top unless you're a genius.

除非你是天才，不然从最难的部分始完全没什么意义。

You've got to not be afraid to innovate, but also don't delude yourself into thinking something's working when it's not Or you can get fixated on a bad solution.

你必须不要害怕去革新。但同时，不要欺骗自己相信有些事情是一定的，但实现并非这样，不然，你会聚精会神于一其实并不好的方案。

15. M: We'll never find a parking space here. What about dropping you at the south gate and I'll find parking somewhere else.

问题15. M: 我永远没法在这儿找到一停车位。要不然先把你放到南门，我去别的地方找找停车位。

Be careful when stepping over the swamp, or you may sink in.

踏入沼泽地时，请小心，不然会陷下去。

Of course, silly. What else would we do with such a magnificent burrito?

当然了，笨蛋。不然要怎么对待这么雄伟的煎饼呢？

It is not like that for adults.

对于大人则不然。