pursuit 
英 [pəˈsjuːt]  美 [pərˈsut] 
n. 追求；追踪；职业；消遣

例句：
It was essential to keep up the pursuit. 

继续追求下去是非常重要的。

the pursuit of happiness 

对幸福的追求

his relentless pursuit of excellence 

他对卓越品质的不懈追求

They frequently move around the country in pursuit of a medical career. 

他们因为从医而频繁地在国内四处奔走。

individuals who impoverish their families in pursuit of some dream 

为追求梦想而使家庭一贫如洗的人们