you can't teach an old dog new tricks
It means that it is very hard to change someones habits
You can't teach an old dog new tricks when they have been used to using a cell phone instead of a smart phone.
| 俚语 | you can't teach an old dog new tricks |
| 释义 | you can't teach an old dog new tricksIt means that it is very hard to change someones habits You can't teach an old dog new tricks when they have been used to using a cell phone instead of a smart phone. |
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