Many days, the boys arrive at school tired and sweaty after a hard row.

很多日子里，用力划到学校时，两个男孩又累又流汗。

youdao

If you don't eat a good breakfast, you will feel tired at school.

如果你不吃一顿好的早餐，你在学校会感到疲惫。

youdao

I'm knackered, having just returned from New York, they're tired from their first week back at school, and it's raining.

刚刚从纽约返回我已经累得不行了，孩子在学校呆了开学的第一周回到家里也累了，外面正在下雨。

youdao

The study, carried out by the Joseph Rowntree Foundation, suggests that young carers tend to be tired at school and often miss days.

BBC: Play festival for child carers

Ofri, an assistant professor of medicine at New York University Medical School, says when patients complain about being tired, for example, she'll sometimes suggest they take a multivitamin, even though there's no proof they work against fatigue.

CNN: Is your doctor prescribing a placebo?