there is no knowing doing的意思

不知道該怎么做

there is no knowing───無從知道

there is no comparison───沒有可比性

there is no quick fix───沒有快速解決辦法

there is nothing for it───沒什么好做的

there is no holding him or her───他或她不能被拘留

there is no call for───沒有……的必要；進行批評

there's no mistaking───沒有錯

there's nothing like───沒有比這更好的了

there's nothing to it───沒什么大不了的

no knowing what he is doing.───無法知道他在做什么。