preoccupy

动词 preoccupy:

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

1. She seemed preoccupied all the time I was talking to her.
   我跟她讲话时她始终显得心事重重。
2. He answered me in a rather preoccupied manner.
   他心不在焉地回答我。

pre.oc.cu.py

v.tr.（及物动词）
pre.oc.cu.pied,pre.oc.cu.py.ing,pre.oc.cu.pies
To occupy completely the mind or attention of; engross.See Synonyms at monopolize
使全神贯注：完全占据了思想或注意力；吸引参见 monopolize
To occupy or take possession of in advance or before another.
先占：预先或在另一人之前占据或占有