keep on saying
⇒ 他口口声声说要参加比赛,却没报名。
He kept on saying that he wanted to enter the competition but he never did enrol.
英语词典包含298861条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。