surreptitious [ˌsɜ:rəpˈtɪʃəs]

例句:

• 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.
  他从砖墙的小门偷偷进入俱乐部。
  
• We had surreptitious drinks too, although there was prohibition.
  来自R. K. Narayan
• But, to some employees, surreptitious listening is a way of survival.
  来自WSJ
• Rosie took a surreptitious peep at Mark.
  来自Woman