I have to economize where I can.

能节省的地方我都得节省。

Tie the knot as tight as you can.

尽量把这个结打紧。

You pack in as tightly as you can.

你们尽量往里挤。

I can throw the ball farther than you can.

这个球我能比你扔得远。

I’ll help you insofar as I can.

我一定尽力帮助你。

If you invert “I can”, you have “can I”.

如果你把I can两词前后颠倒一下, 就成了can I。

You can open the can by pulling the tab.

你可拉拉环把罐头打开。

I've been earning a crust wherever I can.

我一直四处谋生。

I'll give the scoundrels a drubbing if I can!.

如果可能的话我会将这些无赖痛打一顿。

I shall do what I can insofar as I am able.

在力所能及的情况下我将尽力而为。

He has to deduce what he can from the few scanty cluse available.

他必须根据现有的几条不充分的线索进行推理。

I know you’re chafing at the bit, so we’ll start as soon as we can.

我知道你们急不可待，我们会尽快开始的。

She usually spends Christmas with her nearest and dearest and then leaves as soon as she can.

通常她都是与家人和亲朋一起过圣诞节，然后就匆匆离去。

He goes away as quickly as he can as if a drowner-to-be happens to grasp a piece of straw.

他赶紧躲到自己睡觉的地方去，好像一个落水的人碰巧抓到一根稻草。

The country needs enormous help to rebuild its economy, and it’s time to take up the gauntlet and do what we can.

要重建国家的经济需要大量的援助，现在我们应当迎接挑战，尽力而为。

In this company the workers tell the manager what he can and cannot do. It’s a real case of the tail wagging the dog.

这个公司里是雇员规定经理的职权范围，真是上下颠倒。

One of the managers goes through the items and tells the consigner "Yes, we can sell it" or "No, we can't." "Here's what we think we can sell it for" pricewise.

一般来说，客户拿东西到她们商店来，有一位专门负责收购的经理决定哪些她们能卖出去，哪些她们不愿意卖。