《I know what i'm doing is worthwhile》是什么意思?

《I know what i'm doing is worthwhile》是什么意思? you know what i you know what i I stood for a minute."for a minute"做什么成分 i was a fool - Tegan & Sara 中文歌词i was a fool - Tegan & Sara 中文歌词 What do you like?I'd like an apple.哪里错了 i know what's you you know what i mean I know what you have “I know what you like” What Would I Know 歌词 英语翻译I Know what I know,I don't know what I don't Know; I know what I don't know,I don't know what I know; I know what I know what I know,I don't know what I know what I don't know. i'm a student ,so do i 错哪了 I know what i am doing i think u know what i mean i don't know what i If I knew then what I know so i know what shall i do