Eng

Didn't understand...

莫名其妙

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

(Indescribable)

不明白

Didn't know, Didn't understand

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

不解

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