At my last school they called me names because I was so slow.

在上一所学校，他们骂过我，因为我反应太慢。

《柯林斯英汉双解大词典》

Monday morning always found him so—because it began another week's slow suffering in school.

星期一的早晨，他总是这样——因为这又开始了一个星期在学校里漫长难熬的日子。

youdao

If you're a slow learner, you can fall behind in regular school.

如果你学得慢，那你在正规学校可能会落后。

youdao

It's an indication that their patience with the slow progress of school reorganisation has run out.

BBC: Taking ministers out of the loop

Usually it happens in an empty school gym with a bunch of slow flabby dudes decades removed from high school.

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Drafted in the second round (No. 57 overall) in 2009 from Utah, Kruger, who was a quarterback in high school, was slow to develop and initially found it difficult to get playing time on a star-studded Ravens team with talented linebackers and pass rushers.

NPR: Browns, Free Agent LB Paul Kruger Agree To Deal