Eng

Don't 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)

不會知道

Didn't know, Don't know

(Aren't, Cannot, Doesn't, Isn't, No there, Knew, Know, Knowing, Known, Knows, To know)