She looked very preoccupied.她看起来心事重重。He was too preoccupied with his own thoughts to notice anything wrong.他只顾想着心事，没注意到有什么不对。The question of going to the Mount Tai preoccupied his mind.去游泰山的问题盘踞在他心头....
While so preoccupied, he forgot his usual cautiousness.在这么乱想的时候, 他忘了素日的谨慎.He was too preoccupied with his own thoughts to notice anything wrong.他只顾想着心事，没注意到有什么不对。At nightfall, he returned to the rickshaw yard dead - beat...