你问的是不是effort；
effort是不可数名词。
effort
n. 努力；成就。
例句：
They only made a perfunctory effort.
他们只是敷衍了事。
Was it worth the effort?
这值得花费力气吗？
扩展资料
I made every effort to be cooperative.
我尽力配合。
Im afraid this essay is a poor effort.
很抱歉，这篇文章写得不好。
He spared no effort to make her happy again.
为使她重新快乐起来，他想尽了办法。
