Eng

Don't understand...

莫名其妙

Didn't understand, Don't understand, Impossible, Incomprehensible, Mysterious, Oddball

(Indescribable)

不瞭解

Don't understand

(Got it, Ok, Understand)

不解

Didn't understand, Doesn't understand, Don't understand, Puzzled, Uncomprehending

不懂

Don't understand, Not understand