柯林斯詞典don't know 1. N a person who has not reached a definite opinion on a subject, esp as a response to a questionnaire (做問(wèn)卷調(diào)查時(shí))對(duì)某問(wèn)題還沒(méi)有達(dá)成絕對(duì)意見(jiàn)的人 返回 don't know