n.占据思想；全神贯注；心里总想着的事物

A pension is not usually one of the preoccupations of an eighteen year-old! 一个十八岁的人通常是不会老惦记着养老金的！

He always takes his preoccupation with the educational cause. 他总是一心想着教育事业。

She spoke slowly, in a state of preoccupation. 她说话慢吞吞的，显得心事重重。

Such an excessive preoccupation with one's health can't be normal. 如此过分的关注自己的健康是不正常的。

By now this had become a major preoccupation for him. 现在这已成为他的当务之急。

His main preoccupation at that time was getting enough to eat. 他那时盘算的是如何填饱肚子。