v.著迷；困擾

Entrepreneurs must know their competition, but not obsess over it. 企業(yè)家必須了解他們所面臨的競(jìng)爭(zhēng)情況，但是也不必過(guò)分沉溺于其中。

The fear of death obsessed her throughout her old age. 她晚年一直受著死亡恐懼的困擾。

For many people, it's easy to obsess over minor issues. 很多人被細(xì)小的問(wèn)題所困擾。