lest

And at the beginning of new century,The package scheme of Charging all postgraduates,Substituting tuition-free for fellowship came into being under the situation of paid higher education trend and the salient disadvantages of former scholarship system.

任何制度都有完善空间,“以奖代免”也不例外。

He walked fast for fear that he should be late.

他快走，以免迟到。

defend sb from attack, an attacker, injury

保护某人免受攻击、 免遭袭击者攻打、 以免受伤

He brought his raincoat in case it should rain.

他带上雨衣以免下雨。

a sample for ten days free trial; a trial of progesterone failed to relieve the pain.

样品可以免费试用十天。

secure a building(from collapse)

将建筑物加固（以免倒塌）

You are allowed to bring in a carton of cigarettes duty-free.

你可以免税带一条香烟。

You're allowed 100 dollars duty-free.

您可以免税100美元。

You is allow 200 dollar duty free.

您可以免税200美元。

Can I get it tax-free?

我可以免税购买吗？

I run fast lest I should miss the train.

我快跑以免赶不上火车。

I got up early lest I (should) miss the train.

我早起以免错过了火车。

Put down that knife before you hurt somebody !

把那刀子放下, 以免伤人!

He took his umbrella lest it should rain.

他带了雨伞以免下雨。

Oil it regularly to prevent rust.

经常擦油，以免生锈。

He claims diplomatic immunity to avoid being arrested .

他要求外交豁免以便避免被捕。

debt relief for child survival

减免债务以助儿童生存

Save early and avoid want later; Better spare at Brim than at bottom.

及早节省免得以后受穷。

escape nearly

九死一生，仅以生免