英譯：
there’s life in the old dog yet
例句：
- Bill: I heard your grandpa will marry a woman who is 30. He’s already 85! (比爾：我聽說你爺爺要娶一名 30 歲的女子。他已經 85 歲了！)
Jack: There’s life in the old dog yet. (傑克：他寶刀未老) - I may be 90 but there’s life in the old dog yet. (我也許 90 歲，但我老當益壯)
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