effort

1. N-VAR If you make an effort to do something, you try very hard to do it. 努力

He made no effort to hide his disappointment. 他不试图隐瞒自己的失望。

Finding a cure requires considerable time and effort. 找到一种治愈方法需要相当的时间和努力。

2. N-UNCOUNT If you say that someone did something with effort or with an effort, you mean it was difficult for them to do. 吃力[书面] [usu 'with' N, also 'a' N]

She took a deep breath and sat up slowly and with great effort. 她深吸一口气，慢慢地、吃力地坐了起来。

3. N-COUNT An effort is a particular series of activities that is organized by a group of people in order to achieve something. 有组织的活动

...a famine relief effort in Angola. …一个在安哥拉的饥荒救援活动。

4. N-SING If you say that something is an effort, you mean that an unusual amount of physical or mental energy is needed to do it. 极艰难的事

Even carrying the camcorder while hiking in the forest was an effort. 在森林徒步旅行时，即使背着摄像机也是件极难的事。

5. PHRASE If you make the effort to do something, you do it, even though you need extra energy to do it or you do not really want to. 尽力

I don't get lonely now because I make the effort to see people. 我现在不寂寞了，因为我尽力与人接触。