二难推理

二的英语翻译：

twin; two
【计】 binary-coded decimal; binary-coded decimal character code
binary-to-decimal conversion; binary-to-hexadecimal conversion
【医】 bi-; bis-; di-; duo-

难的英语翻译：

adversity; bad; blame; difficult; disaster; hard; hardly possible

推理的英语翻译：

inference; logic; ratiocination; reasoning
【化】 reasoning