混合难题

【法】 mixed questions

混合的英语翻译：

mix; admix; blend; compound; incorporate; interfusion; meld
【计】 mixing
【化】 admixture; mixing
【医】 admixture; incorporate; incorporation; M. et sig.; misce; mix; mixing
permixion

难题的英语翻译：

difficult problem; puzzle; conundrum; problem
【法】 knot; problem; staggerer; toughie