A lot of teachers spend weeks playing catch up in the fall to make up for the summer drop.

很多老师在秋季学期花几个星期的时间补上暑假落下的功课。

youdao

Summer is the perfect time to catch up on the new books you meant to read.

夏天是补看想读的新书的最佳时间。

《柯林斯英汉双解大词典》

Summer is a time to relax, regroup and catch up on all those things you've been putting off all year.

夏天是休养整顿、并处理一年中积压事务的时候。

《牛津词典》

In the summer, people go there to ride horses, climb mountains, catch fish and take trips on the rivers and lakes.

VOA: special.2009.02.16

Dramatically. So that he went out fishing last summer and he didn't catch a single fish."

VOA: standard.2010.07.14

You'll be able to catch James all summer long as he tours our fine country.

NPR: James Taylor Gets Ready for Summer Tour

When I was in Beijing this summer, I had the chance to catch up with an old friend, a former executive of a few publicly-traded companies.

FORBES: Chinese Wealth Bows out of Its Homeland

The theory behind outdoor napping is that children exposed to fresh air, whether in summer or the depths of winter, are less likely to catch coughs and colds - and that spending a whole day in one room with 30 other children does them no good at all.

BBC: The babies who nap in sub-zero temperatures