"you cannot teach an old dog new tricks" in Chinese (Traditional)
Definition
這表示要讓人，特別是年紀較大的人，改變習慣或學習新事物是非常困難的。
Usage Notes (Chinese (Traditional))
通常比喻人，尤其是年長的人很難改變習慣或接受新事物。多用於非正式場合，也帶有輕鬆、幽默的語氣。
Examples
My grandfather says you cannot teach an old dog new tricks when I show him new apps.
我給爺爺看新應用程式時，他總說「**老狗學不會新把戲**」。
Some people believe you cannot teach an old dog new tricks, but I think everyone can learn.
有些人認為「**老狗學不會新把戲**」，但我認為每個人都可以學習。
When dad couldn't use his new phone, mom joked, 'you cannot teach an old dog new tricks.'
爸爸不會用新手機時，媽媽開玩笑地說：「**老狗學不會新把戲**。」
I tried to get my uncle to join social media, but you cannot teach an old dog new tricks!
我試著讓叔叔玩社交媒體，可是「**老狗學不會新把戲**」！
Every time our teacher refuses to use computers, students whisper, 'you cannot teach an old dog new tricks.'
每當老師拒絕用電腦，學生們私下說：「**老狗學不會新把戲**。」
Sure, he's stubborn, but don't forget—sometimes you cannot teach an old dog new tricks.
當然，他很固執，但別忘了——有時候「**老狗學不會新把戲**」。