好词典

obtuse

UK //əbˈtjuːs//US //əbˈtuːs//

词源

源自拉丁语 obtusus,意为“钝的”或“变钝的”,由 ob-(加强)和 tundere(击打)组成,原指被击打至变钝的状态。

adjective

❶ 形容人迟钝或理解力差,指对事物反应慢或难以理解简单概念的情况。

“He was too obtuse to understand the sarcasm in her voice.”

(他太迟钝了,没听出她话里的讽刺。)

“The teacher sighed at the student's obtuse questions.”

(老师对学生愚钝的问题叹了口气。)

❶ 几何学术语,指角度大于90度但小于180度的情况。

“An obtuse triangle has one angle larger than 90 degrees.”

(钝角三角形有一个大于90度的角。)

“The corner of the old building formed an obtuse angle.”

(老建筑的拐角处形成了一个钝角。)

同义词:slow-witted, dense, stupid, blunt, insensitive

常见短语

obtuse angle — 几何学专用短语,特指大于90度且小于180度的角。

“The architect deliberately designed the wall with an obtuse angle.”

(建筑师特意将墙面设计成钝角。)