1. 名詞 (energy) 努力
a waste of effort 白費力
2. 名詞 (attempt) 嘗試
It was a good effort. 這是個很好的嘗試。
3. 名詞 (physical/mental exertion) 費力
It was an effort to concentrate. 費勁地集中精力。
to make an effort to do sth 努力做某事 with an effort 費力地
1. 名詞 (energy) 努力
a waste of effort 白費力
2. 名詞 (attempt) 嘗試
It was a good effort. 這是個很好的嘗試。
3. 名詞 (physical/mental exertion) 費力
It was an effort to concentrate. 費勁地集中精力。
to make an effort to do sth 努力做某事 with an effort 費力地