dunce

1. N-COUNT If you say that someone is a dunce, you think they are stupid because they find it difficult or impossible to learn what someone is trying to teach them. 笨學(xué)生[表不滿]

Michael may have been a dunce at mathematics, but he was gifted at languages. 邁尅爾在數(shù)學(xué)方麪可能是個(gè)笨學(xué)生，但他在語言方麪是有天賦的。