| 钝 | [ dùn  ]    blunt, stupid | 
| 钝翅苇莺 | [ dùn chì weǐ yīng  ]    (bird species of China) blunt-winged warbler (Acrocephalus concinens) | 
| 钝角 | [ dùn  ]    obtuse angle | 
| ⇒ 味觉迟钝 | [ weì jué chí dùn  ]    amblygeustia, loss of food taste | 
| ⇒ 思想顽钝 | [ sī xiǎng wán dùn  ]    blunt thinking, apathy | 
| ⇒ 愚钝 | [ yú dùn  ]    stupid, slow-witted | 
| ⇒ 成败利钝 | [ chéng baì lì dùn  ]    succeed or fail, sharp or blunt (idiom); advantages and disadvantages, success and failure, You win some, you lose some. | 
| ⇒ 迟钝 | [ chí dùn  ]    slow in one's reactions, sluggish (in movement or thought) | 
| ⇒ 顽钝 | [ wán dùn  ]    blunt (instrument), stupid, thick-headed | 
| ⇒ 鲁钝 | [ lǔ dùn  ]    stupid, slow on the uptake |