act stealthily or secretively こっそり、または秘密に行動する。
日/英 »
【上位】 behave in a certain manner; show a certain behavior; conduct or comport oneself; "You should act like an adult"; "Don't behave like a fool"; "What makes her do this way?"; "The dog acts ferocious, but he is really afraid of people" 特定の方法で振る舞う。特定の振舞いを示す。行う、または立派に振舞う。
日/英 »
in utter disorder; "a disorderly pile of clothes" 日/英 »
conducted with or marked by hidden aims or methods; "clandestine intelligence operations"; "cloak-and-dagger activities behind enemy lines"; "hole-and-corner intrigue"; "secret missions"; "a secret agent"; "secret sales of arms"; "surreptitious mobilization of troops"; "an undercover investigation"; "underground resistance" 日/英 »
