obtuse

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++ob·tuse /əbˈtjuːs $ -ˈtuːs/ adjective formal  STUPID/NOT INTELLIGENTslow to understand things, in a way that is annoying 迟钝的，愚笨的 ‘But why?’ said Charles, being deliberately obtuse. “但是为什么呢？”查尔斯故意傻傻地说道。 —obtuseness noun [uncountable]

Examples from the Corpus

obtuse• He is a renowned and honourable man, but with regard to this matter he is either being naive or obtuse.• How today's youngsters are obtuse!• Heather tried to be as obtuse as she could.• Maybe I'm being obtuse, but I don't understand what you're so upset about.• Even the deeply obtuse can be seized by kamikaze zeal.• The oral shields is a rounded pentagonal with an obtuse or slightly rounded proximal angle.• The oral shield is rhombic but often with an obtuse proximal angle and a convex distal edge.• The ventral arm plates are wider than long, pentagonal with an obtuse proximal angle and a slightly convex distal edge.Origin obtuse (1500-1600) Latin obtusus “blunt”, from obtundere “to beat against, make blunt”

ob·tuse adjectiveChineseSyllable  

is understand annoying Corpus things, that in to a slow way

obtuse
ob‧tuse /əbˈtjuːs $ -ˈtuːs/ adjective formalslow to understand things, in a way that is annoying:
    ‘But why?’ said Charles, being deliberately obtuse.
—obtuseness noun [uncountable]

ob·tuseBrE /əbˈtjuːs/ 🔊NAmE /əbˈtuːs/ 🔊 adjective (formal, disapproving) slow or unwilling to understand sth 迟钝的；愚蠢的；态度勉强的◆Are you being deliberately obtuse? 你是不是故意装傻？🔊🔊▸ ob·tuse·ness BrE /əbˈtjuːsnəs/ 🔊NAmE /əbˈtuːsnəs/ 🔊 noun [uncountable]