wǒ / shàng / xué / shí / shì / gè / tǐ / yù / zhā / pǎo / bù / zǒng / shì / zuì / hòu / yì / míng

我上学时是个体育渣，跑步总是最后一名。

When I was in school, I was bad at sports and always finished last in running.