you can't teach an old dog new tricks

used to say that a person who is old or is used to doing things in a certain way cannot learn or does not want to learn a new way
. E. g
I tried to get my mother to start using a computer, but she says you can't teach an old dog new tricks
MerriamWebsterDictionary@
🔰you can't teach an old dog new tricks🔰
saying
said to mean that it is very difficult to teach someone new skills or to change someone's habits or character
CambridgeDictionary#
1 ) If you say 'You can't teach an old dog new tricks', you are suggesting that someone is unwilling to try new ways of doing things
2 ) said to mean that it is often difficult to get people to try new ways of doing things, especially if these people have been doing something in a particular way for a long time
. E. g
👈I'm 65 and you can't teach an old dog new tricks
👈YOU can't teach an old dog new tricks but you can a dog handler
CollinsDictionary@
🔰you can’t teach an old dog new tricks🔰
used to say that older people often do not want to change the way they do things
LongmanDictionary@
ضرب المثل، با معادل فارسی:
*نرود میخ آهنین در سنگ*
❇️PROVERB
❇️SAYING
❇️IDIOM

You cannot make the conservative/old fashioned people change the way that
they think
افراد با عقاید کهنه ایده های جدید رو
نمی پذیرند