| 释义 |
work at sth to try hard to improve something or achieve something努力改善，致力于:•Learning a language isn't easy. You have to work at it.学语言不容易，必须努力学习。work at doing sth•couples who want to work at improving their relationship想努力改善关系的夫妻ˈwork at sthto make great efforts to achieve sth or do sth well致力于；努力做He's working at losing weight.他正在努力减肥。Learning to play the piano isn't easy. You have towork at it.学弹钢琴不容易，你非得下功夫不可。 |