Experts confirmed that a puma will not attack a human being unless it is cornered.

专家证实，美洲狮逼得走投无路，否则是决不会伤人。

The gains made in darkness advance no one unless they are carried into the light.

黑暗里成果无法使人进步，它们来到光明之中。

Being too diplomatic is safer, unless it devolves into insincere platitudes.

说话过于圆滑更安全，说话成了不真诚陈词滥调。

I'll never be content unless I at least put in the effort.

我永远不会满足，我至少付出努力。

But if you will refer to page 30 in the rules and regulations manual we sent you, you will see that unless there is a valid excuse for prolonged absence, your tuition will be forfeit.

但如果您看一下我们寄给您校规手册第三十页，您就知道无正式理由而长期缺席，所缴学费将会没。

No big challenge has ever been solved, and no lasting improvement has ever been achieved, unless people dare to try something different. Dare to think different.

没有无法突破挑战，也没有永远不会进步人。大家要敢于尝试、敢于思考。

Unless I had heard the story from his own lips, I should never have believed that he was capable of such an action.

要不是听他亲口讲述这个故事，我根本不会相信他能做出这种事来。

The wife told her husband that unless he left the children to die in the forest, the whole family would die.

妻子告诉丈夫，如果他不把孩子们扔到森林里饿死，整个家庭就会灭亡。

And, unless banks carry toxic assets at prices that attract buyers, reviving the banking system will be difficult.

银行如果不以能够吸引买家价格计量不良资产，银行复苏将会常困难。

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

你是天才，不然从最难部分开始完全没什么意义。

Words and promises, no matter how visionary they sound will only get you so far. In our business, you’re not a builder, unless you’ve got a building to show for it, or in my father’s case, city skylines.

心有多大，舞台就有多大。在我们这个行业，只有建造出一栋大楼才敢说你是一个建筑商，而在我父亲这里，建造出擎天大厦才是一个合格建筑商。

Unless you count a snippet of fur maybe from mamma lion's back.

你把母狮子背上这块皮也算在内。

And generally speaking, it would reduce the income taxes that Americans pay to the federal government,unless they make more than $500,000 per year.

一般来说，这将会减少美国人缴纳给联邦政府个人所得税，他们一年能赚50万美元。

Unless it is signed, a cheque is invalid.

支票签了字，否则是无效。

Oh, and those distracting Instagram notifications won't go away either unless you turn them off.

那些烦人ins通知也并不会消失，你自己把它给关闭了。

You're always gonna buy the trusted brand unless there's a big difference.

你总是会买值得信赖品牌，有很大不同之处。

I don't think it would be a Willy Wonka film unless there were Oompa Loompas.

我觉得，如果没有奥帕伦帕人，就不会有《旺卡》这部电影。

Unless my suffering is your nourishment?

我苦难是你营养品？

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

然而这个事实接受，不然人类身体构造将永远无法理解。

1 Remove clothing using scissors if necessary unless it is stuck to the burn.

1、衣服粘贴在烧伤面上，否则都要把它脱掉（必要时可用剪刀帮助）。