I have learned from the school of hard knocks the many reasons for staying.

已经从挫折这所学校里面了解到了许多坚守下来的理由。

youdao

The B300 has a hard-wearing magnesium alloy case resilient to small drops and hard knocks and features a shock-mounted hard disk drive.

B300采用了耐用的镁合金机箱，能承受较小的跌落和硬敲打，并装有防震的硬盘驱动器。

youdao

You've had so many hard knocks yet seem to stay so strong. What keeps you going? How do you manage to stay positive?

你经历了如此多的艰辛，但似乎依然保持坚强。是什么让你坚持下来？你又是怎么做到保持乐观的呢？

youdao

Likewise resourcefulness that Nelson would come by kids through the school of hard knocks.

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John's coach Steve Levin called it just another day at the Big East school of hard knocks.

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My formal economic training consisted of sleeping through Econ 101 and 20 years of hard knocks on Wall Street.

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