形容词
1. 悄悄的;偷偷摸摸的;鬼鬼祟祟的
Stealthy actions or movements are performed quietly and carefully, so that no one will notice what you are doing.
1. marked by quiet and caution and secrecy
taking pains to avoid being observed
e.g. a furtive manner
a sneak attack
stealthy footsteps
a surreptitious glance at his watch
Synonym: furtivesneak(a)sneakysurreptitious