stealthier
adj. 悄悄的,鬼鬼祟祟的( stealthy的比較級 )
Stealthy actions or movements are performed quietly and carefully, so that no one will notice what you are doing.
I would creep in and with stealthy footsteps explore the second-floor...
我會偷偷溜進去,輕手輕腳地檢視一下二樓。
It was a stealthy sound made by someone anxious not to be heard.
這是有人不想讓別人聽到而偷偷摸摸移動的聲音。