old habits die hard
US /oʊld ˈhæb.ɪts daɪ hɑːrd/
UK /əʊld ˈhæb.ɪts daɪ hɑːd/
成语
积习难改, 江山易改，本性难移
it is very difficult to change a way of behaving that you have had for a long time
示例:
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I still try to reach for my glasses every morning, even though I had laser surgery; old habits die hard.
虽然我做了激光手术，但每天早上还是会下意识去拿眼镜；积习难改。
•
He retired years ago but still wakes up at 6 AM because old habits die hard.
他退休多年了，但还是每天早上6点起床，真是积习难改。