1·Li and his workmates need to work extra hours to take care of the animals from March until mid-May.
从3月到5月中旬，李和他的同事需要加班来照顾这些动物。
2·I refused to work extra hours.
我拒绝了加班的工作。
3·It's not a good way to work extra hours.
加班加点不是一种好方式。
4·Those who work extra hours will get an overtime pay.
加班的人能得到加班工资。
5·These who work extra hours will get on overtime pay.
加班的人能得到加班工资。
6·They may work extra hours to accomplish what's laid out for them.
他们可能加班完成所分配的工作。
7·And I promised her that I am going to work extra hard to get it.
我当时向她保证，为了拿到金牌一定会加倍努力。
8·I'm afraid that you'll work extra hard to achieve such ends for the project.
我认为你恐怕需要在这个项目上再加把力才能达到同样的效果。
9·When there's work to do, freelances have to work extra evenings and weekends.
有活儿干的时候，自由职业者就得不分昼夜、不分周末地加班干。
10·The oxygen poor air at great heights causes a person's heart to work extra hard.
高山的缺氧常常会引起人们工作额外的辛苦。