出处：按学科分类—语言、文字 中央民族大学出版社《新英汉大词典上》第365页（219字）
【词性】：n．
【释义】：
①努力，尽力〔It took great effort to row to shore．费了好大劲儿才划到岸边。
〕②尝试，企图〔He made no effort to be friendly．他并没想表示友好。〕③努力的成果，成就〔Her early efforts at poetry were never published．她早期的诗歌作品从未发表过。〕