Remember, "old habits die hard".

记住，“旧习难改”。

youdao

But for some, old habits die hard, it seems.

但对于某些人，看起来老习惯难改。

youdao

Old habits die hard, and one of the oldest - still rigorously enforced by many drivers - is that "warming up" the car for a few minutes is necessary to avoid some kind of unspecified damage.

老习惯总是很顽固，在那些最老的习惯中，有一个直到现在还被许多司机严格执行的习惯，就是认为有必要将车辆预热几分钟，以避免某些未明的损害。

youdao

It seems old habits really do die hard - whether they are good or bad.

BBC: People under stress stick to habits, good or bad