動詞 preoccupy:

1. engage or engross the interest or attention of beforehand or occupy urgently or obsessively
   同義詞：preoccupy
2. occupy or take possession of beforehand or before another or appropriate for use in advance
   同義詞：preoccupy

形容詞 preoccupied:

1. deeply absorbed in thought
   同義詞：bemused, deep in thought, lost
2. having or showing excessive or compulsive concern with something
   同義詞：haunted, obsessed, taken up

1. Health worries preoccupied him for the whole holiday.
   整個假期里他一直為健康狀況而擔憂。
2. 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圍的情況或活動的; 出神的

pre.oc.cu.pied

adj.（形容詞）

Absorbed in thought; engrossed.
全神貫注的；出神的
Excessively concerned with something; distracted.
過分關注某事的；心不在焉的
Formerly or already occupied.
先占的：以前或已經占據的
Already used and therefore unavailable for further use. Used of taxonomic names.
已占用的：已經使用因而不能再作他用的。用于分類學名稱