2. Work Up
? Work up the feeling: To evoke an emotional state (ex: Work up the courage, the excitement, an appetite).
唤起某种情绪（例如：拿出勇气，拿出激情，拿出渴望）
? Work up to something: To arrive at something through preparation (ex: Even though he could only run 5 km, he was determined work up to the full 42 km distance of a marathon little by little over the next 6 months.)
通过准备，达到做成某事（例如：尽管他只跑了五千米，但是他决心在接下来六个月中，一点一点的完成42千米的马拉松。）
? To be/ Get Worked Up: To get stressed or upset about something. (ex: he doesn’t like to drive during rush hour [when there’s a lot of traffic] because he gets worked upand honks his horn all the time.)
因为某事而感到压力或忧伤（例如：他不想在上下班高峰期开车（那时候交通会非常拥挤），因为他不想变得烦躁，然后不断地按喇叭）
3. Work On
? To spend time and effort improving something (ex: I have a lot of problems with my pronunciation, but I’m working on it.)
为了提高某件事而花时间花精力（例如：我在发音上有很大的问题，但是我正在努力改进。）
? To try to influence a person (ex: the manager didn’t want to hire me, but my friend Sarah works there, and she is working on him, so I hope he changes his mind.)
尝试去影响一个人（例如：经理不想雇佣我，但是我的朋友Sarah在那里工作，她正在尝试说服经理，所以我希望经理能够改变主意。）
