Eng

Didn't know...

無法知道

Didn't know

(Am not, Am unable, Are not, Are unable, Is not, Is unable, Unable to, Was not, Was unable, Were not, Were unable, Knew, Know, Knowing, Known, Knows, To know)

不明白

Didn't know, Didn't understand

(Unexpected, Unknown, Clear, Easy to understand, Realize(s), Understand, Understandable, Understanding, Understands, Understood)

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)