old and cunning; wily; astute (often implying negative conniving)

💡 Nuance & Usage: 経験を積んでいて、物事の裏をかくなどずる賢い様子を表す。良い意味ではあまり使われず、策略的で手強い人物を指す。Describes someone who is experienced and shrewd, often in a cunning or sly way, especially in outsmarting others. Rarely used in a positive sense, usually referring to a formidable, strategic person.