I don't know about the key to success,but the key to failure is to try to please everyone.如何理谁来给讲解一下应该如何理解这句话?字面意思我知道,但深层的意思是怎样的?“失败的关键就是试图去取悦所有人.

I don't(know)the teacher,but I(know about)her.可以换成know about;know? I don't(know)the teacher,but I(know about)her.可以换成know about ; know? 为什么不是I don't know呢?what other things don't I know about America? I don't know. i know ,so i don't take about i don't know what are u talking about,stupid i don't know how()(tell) you about this i don't know what to( ) about the football march. I don't know what you are thinking about “i don't know you know i don't know I don't understand you.I don't know what you are thinking about! I don't know about it and I don't care,either.转换一下句型：I don't know about it,__ __I care. I don't know about his job,and I dong't care句型转换 I don't know about his job ,____ ____ I care. sorry,I don't know. i don`t know much I don't really know. 英语；I don't know I don't know miss