问题: question; problem难题: difficult problem; a hard nu ...问题;难题;疑问: question棘手的问题,难题: hot potato难题,棘手的问题。: hot potato混杂问题, 混合难题: mixed questions解决难题,解决问题: trouble-shooting难题: difficult problem; a hard nut to crack; aporia; poser; hot potato; facer; headache; stinker; teaser; ticklish problem 出难题 set difficult questions; 处理难题 handle a hot potato; 如何提高产品质量对他来说可是个难题。 how to improve the quality of products was a difficult problem to him. 这道题看起来很简单, 但当你要解它时你就会发现它确实是一道难题。 the problem looks simple enough, but when you come to try and solve it you'll find it's a real teaser〔拉丁语〕 难题;争执中的问题。: quaestio vexata问题;难题;议题;疑问句;可能性;询问: question八难题: eight puzzle出难题: set difficult questions; pose a difficult problem; set sb. a very difficult task 不要出难题了, 这个计划会行得通的。 stop raising difficulties; the plan will work大难题: hang-up解难题: riddle; solve the problems迷惑;难题: puzzle难题,迷惑: puzzle难题箱: problem box难题信: problem letter八数码难题: eight puzzle缠卷难题: winding dilemma出难题偏题: raise out-of-the-way and catchy questions处理难题: handle a hot potato电车难题: trolley problem电话难题: act 2 phone hang-ups恶的难题: evil problem (of