(1) effort作名词，基本含意为“力气；努力”，作此解时只用作单数形式；effort还可以引申表示“努力；奋斗”，作此解时是可数名词；effort还可表示“作品；成就”，为可数名词。例如：
It doesn’t need much effort. 那不需要太多的努力。
A great deal of effort has gone into this exhibition.
为了这次展览投入了很大力量。
His efforts were wasted. 他的努力都白费了。
Finishing the work in one day was a very good effort.
在一天内完成这项工作是努力的结果。
（2）effort 常用于以下短语make efforts/ make aneffort/ make every effort中，意为“做出努力”，后面常接动词不定式，表示“努力做某事”。例如：
The workers are making efforts to fulfill this year’s plan.
工人们正在努力完成今年的生产计划。
The prisoner made an effort to escape, but he couldn’t climb the prison wall.
囚犯企图越狱，但是爬不上监狱的墙。
I will make every effort to arrive on time. 我将尽一切努力准时到达。
