n.

1. 抢先占据；抢先占有[U]
   Trump's preoccupation with the nuclear threat from North Korea led him to consistently exert pressures on China.

   特朗普的心思多半被朝鲜的核威胁所霸占，所以他一直向中国施压。

2. 全神贯注，入神[U][S][（+with）]
   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。

3. 专心的事物，关注的事物[C]

n.