You don't have to work very hard to figure out what these different facial expressions mean.

你不必努力地去学习,去辨析不同面部表情的含义。

耶鲁公开课 - 心理学导论课程节选

I mean, I just appreciate what I deserve and what I work hard for.

我的意思是，我只不过是感激我所应得的，以及我为之努力奋斗的事物。

对你而言，钱是？ - SpeakingMax英语口语达人

He constantly warns his son, who was kind of an n'er do well, that, "You better work hard, " Or, "You better work a little harder and pay more attention to what you're doing.

他不断提醒那一事无成的儿子,"你要加倍用功,哪怕只是稍微用点心,对你做的事要更上心

耶鲁公开课 - 欧洲文明课程节选