全く~ない => not at all ~ N3
全然~ない => (not) at all N4
~ひょうしに(~拍子に)   => the moment [A], unintentionally / inadvertently caused something to happen N1
出す => to begin to; to start to; to burst into; ... out (e.g. to jump out, to carry out)​ N4
[全「まった」]く~ない => Not A (at all; even a little bit) N3
Not only, Not even