effort (to do sth)艰难的尝试；试图；尽力；
effortn.气力；努力；费力的事；艰难的尝试；试图；尽力；有组织的活动
We need to make a concerted effort to finish on time.
我们需要通力合作才能按时完成。
The local clubs are making every effort to interest more young people.
地方俱乐部正在尽一切努力来吸引更多的年轻人。
She made a visible effort to control her anger.
看得出她竭力控制自己不发火。
