Eng

I don't know...

哪知道

I don't know

(Knew, Know, Knowing, Known, Knows, To know)

我可不知道

I don't know

(Not know, Not knowing, Didn't know, Doesn't know, Don't know, I didn't know, Knew, Know, Knowing, Known, Knows, To know)

我不曉得

I didn't know, I don't know

(Am not, Are not, Did not know, Do not know, Does not know, Is not, Not be, Not know, Not knowing, Unaware, Was not, Were not, Aware, Knew, Know, Knowing, Knows, To be aware, To know)

我不知道

I didn't know, I don't know

(Not know, Not knowing, Didn't know, Doesn't know, Don't know, Knew, Know, Knowing, Known, Knows, To know)

不知道

Didn't know, Doesn't know, Don't know, I didn't know, I don't know

(Not know, Not knowing, Knew, Know, Knowing, Known, Knows, To know)