I went back to old school dieting and training for the 1999 season.

我回到母校为99年的赛季进行饮食调整和训练。

youdao

It felt strange to be back in my old school.

我回到母校有一种生疏的感觉。

《牛津词典》

I went back to visit my old school.

我回去拜访了母校。

《牛津词典》

But that really went out the window and it was back to old-school, forward-dominated rugby.

BBC: SPORT | Rugby Union | Six Nations | Murphy: A better Murrayfield day

The 52-year-old went back to school to study information technology.

CNN: Town hits economic jackpot to become 'Kia-ville'

You tell these kids to go back to high school and tell them to not see their old using friends and build a new network of friends, and it's so hard.

CNN: Recovery high school a 'soft landing' for post-rehab teens