全く~ない => not at all ~ N3
全然~ない => (not) at all N4
[後「あと」]で => After V1, V2 N5
Time
〜がさいご(が最後) => if you do... negative result N1
Decisive (resolute decision)
たが[最後「さいご」] => Once A occurs, B happens N1
Information, Report
[全「まった」]く~ない => Not A (at all; even a little bit) N3
Not only, Not even