航空发动机设计手册pdf:I don't doubt that for a minute翻译

I don't doubt that for a minute翻译 I don't doubt that for a minute翻译一下（口语） I don't know___. I DON'T WANT TO KONW I don't konw是什么意思？ I don't know 是什么意思呀?????? I don't wanna fight 伴奏 I don't understand you. why i don' t know I DON'T NO 是什么意思