preoccupied

a. 心事重重的,出神的

Deep in thought and heedless of present circumstances or activities; preoccupied.

心不在焉的，茫然的陷入沉思且未注意到周围的情况或活动的；出神的

Health worries preoccupied him for the whole holiday.

整个假期里他一直为健康状况而担忧.