marked by a willingness to tackle a job and get it done;
"a can-do kind of person"
"the city's indomitable optimism and can-do spirit"
He is a very active sort of person and cannot bear to see others idling about. 他是那种积极肯干的人，看不惯别人懒懒散散。
No one can be more diligent than he is. 没有人比他更勤奋的了。
Diligent everybody will make the action which unavoidably some will do smile. 勤奋的大家难免会做出一些搞笑的举动。
If you think the biggest pariah in the travel industry is an overzealous airport security screener, clearly you do not travel with a pack of cigarettes in your carry-on bag. 如果你认为，在旅行业的最大的贱民是一个过度热心的机场保证萤幕的过滤，清楚地你不在你的继续发展下去袋中有一群香烟旅行。