钝的

1. 钝的不锐利的、不尖的或在形状上不尖锐的；钝的
   Not sharp, pointed, or acute in form; blunt.
2. 讨厌的人愚钝的、无聊的或讨厌的人；害人精
   An obtuse, boring, or bothersome person; a pest.
3. 愚笨的智力上较差或迟钝的；愚蠢的
   Intellectually weak or obtuse; stupid.
4. 用一把这么钝的刀子切菠萝是不可能的。
   It's impossible to cut a pineapple with such a dull knife.

钝的英语翻译：