N-COUNT
（人）愚笨的，遲鈍的
If you say that someone is a dunce, you think they are rather stupid because they find it difficult or impossible to learn what someone is trying to teach them.
例句
Michael may have been a dunce at mathematics, but he was gifted at languages.
邁克爾在數學上可能不太靈光，但在語言方面很有天賦。