Large fines act as a deterrent to motorists.是什么意思？

Large fines act as a deterrent to motorists.

高额罚款是对开车的人的制约.

large

adv. 大大地，夸大地，详细地，顺风地；adj. 大的，大规模的，大型号的，广泛的；v. 玩个痛快，（尤指跳舞和饮酒）作乐；

例句
The banks would be forced to absorb large losses...
银行将被迫承受巨大的损失。

fines

n. 罚款，罚金( fine的名词复数 )，细屑，细粉；

例句
In the old days, there were strict fines for walking on the grass or missing a study period...
过去，踩踏草坪或旷课都会被重金处罚。

act

v. 行动，表现，表演，起作用；n. 行为，行动，法案，法令，短节目；

例句
There are many people who still find the act of abortion abhorrent.
仍有很多人对堕胎行为表示厌恶。

as

adv. 同样地，一样地，例如；prep. 作为，以…的身份，如

例句
As far as I can recall, Patti was a Smith.
我记得帕蒂是姓史密斯的。

deterrent

n. 制止物，威慑物；adj. 制止的，遏制的；

例句
The most important deterrent for most criminals is the likelihood of detection and arrest.
对大多数罪犯来说，最大的威慑力量是警方可能会破案并将他们逮捕。

to

prep. 向，朝着，到，关于，属于；adv. 朝一个方向的，到某种状态，关闭；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

Motorists

n. 汽车驾驶员( motorist的名词复数 )；

例句
Police warned motorists to allow extra time to get to work...
警方告诫驾车者出门上班要留出富余时间。