n.秘密行动，鬼祟，隐形，潜入
Slowly and stealthily, someone was creeping up the stairs.
有人正蹑手蹑脚地上楼。
I heard my landlady creeping stealthily up to my door.
我听到我的女房东偷偷地来到我的门前.
They peeped out stealthily from a corner of the wall.
他们几个在墙角处鬼头鬼脑地往外探望.
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