obsession：着魔;执意,积念,迷念,摆脱不了的思想[情感等]
例：Yet over the past year or two, I have found my obsession increasingly unrewarding.
但近一两年来,我发现自己的这种执著已变得越来越不值得。
wedded：1.结了婚的 2.固执的,拘泥的,死守
例：The life is so short, you really need not to be wedded to that idea.
人生很短不必执着一角。
fanatical：1.狂信的,狂热的,入迷的 2.狂热宗教徒,狂信者;入迷的人
例：Toyota Motor has always been fanatical about frugality, and for many years that was good for both the company and its customers.
丰田汽车一直以来都执着于朴素节俭的风格,这也使得公司本身以及顾客都受益良多。
persistence：1.【无线】持久性;(萤光屏上余辉的)保留时间 2.持续性;持久;存留 3.坚持;固执;顽固
例：Knowledge of patent law and persistence bordering on the obsessive seem useful attributes if you want to be a successful inventor.
如果你想成为一名成功的发明家,对专利法的了解以及近乎于痴迷的执著信念似乎是有益的品质。
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