Definition
to gradually adapt new shoes or equipment through brief periods of use to enhance comfort
使新物品通过使用逐渐适应; 进行磨合
She wears her new shoes at home every day to break them in for comfort.
她每天在家穿新鞋，让它们逐渐适应以增加舒适度。
We need to break in our new roller skates by using them gradually.
我们需要通过逐渐使用来磨合我们的新溜冰鞋。
He advised me to break in my new boots on a local trail before the long hike.
他建议我在长途远足前先在当地小径上磨合我的新靴子。
To cautiously and gently operate a new vehicle for a short duration to prevent engine damage.
缓慢磨合（新车）
We should drive carefully during the first few weeks with the new car to break it in and avoid engine damage.
我们应该在刚买新车的前几周小心驾驶，磨合一下，避免发动机损坏。
They took the new car for a gentle break-in drive to ensure everything runs smoothly.
他们轻轻地试驾新车，磨合一下，确保一切顺利运转。
I learned to cautiously operate the new car to break it in and prevent any issues.
我学会了小心地操作新车，磨合一下，防止任何问题。