About
The traditional character 鈍 is composed of the metal radical 金 and the phonetic component 屯, a structure which directly indicates its original meaning related to the physical quality of metal edges. Its core semantic field concerns a lack of sharpness or keenness, primarily describing blades or points that are not acute. Over time, this concrete sense of physical dullness extended metaphorically to describe mental qualities, such as a mind that is slow to comprehend or react, thereby encompassing both material and abstract forms of bluntness. The simplified form 钝 retains this same structural relationship, exchanging the complex metal radical 金 with its simpler variant 钅 while keeping the phonetic component 屯 unchanged.
Etymology Hide
Example Sentences Hide
这把刀很钝。
他的反应有点迟钝。
用钝器敲击并不安全。
钝角大于九十度。
长期的孤独会让人感觉钝化。
他对批评有一种有益的钝感力。
疼痛感由尖锐转为迟钝。
金属表面经过处理会发生钝化反应。