【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。
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