“钝的”的英语可以翻译为：lunt，dull，[机] obtuse，pointless ...

近乎鲁钝的天真使他坚守自己的信仰。Naivety bordering on obtuseness helped sustain his faith.在几乎所有的情况下, 却使用钝的面不是尖的后缘.In almost all cases, blunt rather than sharp trailing edges are used.用剪刀剪硬纸板,你会把剪刀弄钝的.You'll blunt the scissors if yo...