ADJ-GRADED
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.
例句
I would creep in and with stealthy footsteps explore the second-floor...
我会偷偷溜进去，轻手轻脚地查看一下二楼。
It was a stealthy sound made by someone anxious not to be heard.
这是有人不想让别人听到而偷偷摸摸移动的声音。