1.work hard 努力工作

例句:You have to work hard to remain ahead of your competitors in business, or you can easily lose your leading position.
你必须努力工作以保持领先于公司里其他竞争者，否则，你就会轻易地失去这种地位bVDx04oLJ~yb@3t+]。

2.according to 根据

例句:They will swap posts in a year's time, according to new party rules which rotate the leadership.
根据轮流担任领导的新政党章程，他们在一年后会轮换职位,Cqe-BWr;iRi2s&。

3.focus on 集中于

例句:Their talks are expected to focus on arms control.
他们的会谈预计会集中讨论军备控制问题;[EZ^yOvM8Ojr0nCS)p。

4.think about 思考

例句:I have not worried so much this year, partly because I have had other things to think about.
今年我不太担心，在某种程度上是因为我有别的事情要考虑m=E@UA[S;Q*cpRu(D[S。