2 文書を見つけるための辞書。

• sneakily, surreptitiously
• コソコソと, こっそりと, 隠れて
• in a surreptitious manner; "he was watching her surreptitiously as she waited in the hotel lobby"
• コソコソと

• covertly
• こっそり, ひそかに, 内密に, 隠れて
• in a covert manner; "he did it covertly"
• ひそかな方法で