Eng: Did not know

完全不知道

Did not know, Did not understand

Completely, Didn't know, Doesn't know, Don't know, Entirely, I didn't know, I don't know, Knew, Know, Knowing, Known, Knows, To know

不知是

Did not, Did not know

Not know, Not knowing

也不知道

Did not, Did not know, Do not, Does not

Didn't know, Doesn't know, Don't know, I didn't know, I don't know, Knew, Know, Knowing, Known, Knows, To know

不曉得

Am not, Are not, Did not know, Do not, Does not, Is not, Not be, Not know, Unaware, Was not, Were not

Aware, Know, To be aware, To know