0 physical or mental activity needed to achieve something -- 氣力；精力；努力
[ + to infinitive ] If we could all make an effort to keep this office tidier it would help. 如果我們都努力保持整潔，那麽辦公室的面貌肯定會大有改觀。
You can't expect to have any friends if you don't make the effort with people. 如果不努力去和人們交往，你就別想有朋友。
In their efforts to reduce crime the government expanded the police force. 爲了減少犯罪，政府擴充了警力。
He's jogging around the park every morning in an effort to get fit. 爲了調整好身體狀況，他現在每天早晨都繞著公園慢跑。
It takes a long time to prepare the dish but the results are so good that it's worth the effort. 做這道菜很費時間，但結果大家都很愛吃，工夫真沒白費。
Do you want to have a look at his exam paper? It's a fairly poor effort. 你想看看他的試卷嗎？成績可不太好。
I'm exhausted all the time, and everything is a real effort. 我總是覺得精疲力盡，無論做什麼都很費勁。
A considerable amount of time and effort has gone into this exhibition.
Everyone ought to make the effort to vote.
It was a real team effort - everyone contributed something to the success of the project.
He's obviously making a special effort to be nice to me at the moment.
This section is meant to be a mutual effort.
This reuse permits the effort required to develop sets of transformations to be amortized over a large number of derivations.
Assisted by his pupils from the local school, he continued his efforts until 1933.
