Athletes put themselves through the mill every day in training.

运动员们每天都在训练中磨练自己。

She put herself through the mill to hone her skills at work.

她在工作中磨练了自己的技能。

He became an excellent doctor by constantly putting himself through the mill.

他通过不断磨练自己，最终成为了一名优秀的医生。

This job really put me through the mill in terms of patience and perseverance.

这份工作确实磨练了我的耐心和毅力。

After years of putting himself through the mill, he finally achieved his dream.

通过多年的磨练，他终于实现了自己的梦想。

My driving instructor certainly puts me through the mill.

我的驾驶教练确实使我受到严格的训练.