effort表示“努力”時(shí)，其后可接動(dòng)詞不定式作其定語，偶爾也可接介詞短語作定語。

　　make efforts、make an effort、make every effort后面常接動(dòng)詞不定式，表示“努力做某事”，接an effort時(shí)表示“做一番努力”; 接efforts時(shí)表示“作出多次努力”，接every effort表示“每做一次努力”。

　　例句：

　　He made a concentrated effort to finish the work on time.

　　他全力以赴以按時(shí)完成這項(xiàng)工作。

　　The project has demanded considerable investment of time and effort.

　　該項(xiàng)目已讓我們投入了相當(dāng)多的時(shí)間和精力。

　　We need to make a concerted effort to finish on time.

　　我們需要通力合作才能按時(shí)完成。

　　The local clubs are making every effort to interest more young people.

　　地方俱樂部正在盡一切努力來吸引更多的年輕人。

　　She made a visible effort to control her anger.

　　看得出她竭力控制自己不發(fā)火。