He used to be a dunce at school.他上学时曾是个笨学生.Michael may have been a dunce at mathematics, but he was gifted at languages.迈克尔在数学上可能不太灵光,但在语言方面很有天赋。I was a dunce at chemistry.我在化学方面是个劣等生....
When I get a car, I'll always stop for hitchhikers.如果我要拦车, 我就是这么做的.Many of these young hitchhikers probably come from good families.也许这些年轻的搭车者中,很多人是好家庭出生.For 14 years he collared hitchhikers who passed through town ...