钝 dùn blunt Definitions Defs Origin Strokes Stroke Words Sentences Sents Showing: All meanings (2) All meanings 2 dùn 2 blunt 1dull 1 2 sentences 这把刀太钝了,切不动肉。 zhè bǎ dāo tài dùn le, qiē bùdòng ròu. This knife is too dull to cut the meat. Source: Dong Chinese Dictionary他这人头脑有点钝,半天没反应过来。 tā zhè rén tóunǎo yǒudiǎn dùn, bàntiān méi fǎnyìng guòlái. He is a bit slow-witted and didn't react for quite a while. Source: Dong Chinese Dictionary