不得不

Because the Fed is still ramping up many of its programs, the amount of money it will have to withdraw some day is sure to be even higher than today's astronomic levels.

因为美联储仍在推进它的许多计划，它今后不得不抽回的资金规模肯定比今天的天文数字还要高。

I have to admit that you are very astute.

我不得不承认您很精明。

I often had to work for over twenty hours at a stretch.

我经常不得不连续工作20小时以上。

At the same time, we have to venture at least a very educated guess about what the obsolescence factor is going to be.

同时，我们不得不冒一个风险，就是至少要对这项技术的淘汰要素会是什么做最审慎的猜测。

L had to win at all costs.

我却不得不支付所有的花费

If I had to shoot at such close quarters, I wouldn't miss.

要是我不得不开枪的话，离这么近他们谁也逃不掉。

Lesson 4 Take over,Bos'n 1.If i had to shoot at such close quarters, I wouldn't miss.

要是我不得不开枪的话，离这么近他们谁也跑不掉。

I have to confess that, at first, the thought of working in a locked unit was intimidating.

我不得不坦白的说，一开始，跟被监管的病人工作的想法是不情愿的。

By the end, the factory was having to fly in materials to fill urgent orders at great expense.

在工厂最后的日子里，他们不得不花高价从亚洲空运原料，以满足客户急切的订单需求。

Milk farmers say prices dropped so low they had to sell products at half their production cost, leaving increasing numbers of farmers unable to pay their bills.

奶农们说价格降得如此低他们不得不以成本价的一半卖产品，导致越来越多的农民无法买单。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。