免除的英文：
prevent
avoid

参考例句：

Excuse A from B; pardon A from B
对A免除B

They agree to absolve us from our obligation
他们同意免除我们的责任。

A concerned party is exempt from responsibility.
则有关的一方免除其责任。

Application of preferential income tax rate, and exemption of income tax
适用优惠所得税税率，及所得税免除

Your ill-health will excuse you from night duties.
你身体不好，这可使你免除值夜班。

The state of being exempt;immunity.
豁免被免除的状态;免除

free from debt;Discharge of a debt
免除债务

to acquit oneself of blame
免除谴责

Religious organizations are exempt from taxation.
宗教机构被免除赋税。

Let out
恕,从宽处理;免除

prevent是什么意思：
v. 阻止，妨碍；防止

To neutralize a city to prevent bombing.
宣布某城市中立以避免被轰炸。

Prevention is better than cure
预防胜于治疗

This has proved an effective preventive.
这种药证明是很有效的预防剂。

Try to prevent an escalation of the war.
竭力防止战争升级。

These methods prevent pregnancy.
这些方法能防止怀孕。

avoid是什么意思：
v. 避开；避免；消除

Avoid deliberateness, avoid will, avoid intentions -- move like a child, trusting nature.
避免刻意，避免意志，避免目的性——像一个孩子般地行事，信赖大自然。

He who avoids temptation avoids the sin.
避诱惑，免罪恶。

That was called transference and was to be avoided.
这被称为感情转移，应该尽量避免发生。

A danger foreseen is half avoided.
预见了危险，就等于防备了一半。

We should avoid extremes.
我们应该避免走极端。