I shut out the memory which was too painful to dwell on.我不再去回忆那些痛苦不堪的往事了。It does not do to dwell on dreams and forget to live.沉湎于虚幻的梦想而忘记现实的生活，是毫无益处的。Sometimes his mind would dwell on the horrors he had been through.有时他会...
She sneaked a surreptitious glance at her watch.她偷偷看了一眼手表。His surreptitious behaviour naturally aroused suspicion.他那鬼鬼祟祟的行为自然引起了旁人的怀疑.He made a surreptitious entrance to the club through the little door in the brick wall...