…振り => After (a long time) N2
Time
…振り => Way, condition, situation, appearance N2
Situation
~ふり(~振り)      => to pretend; to act as if N3
なけりゃ => If not ... N2
Condition (hypothetical condition)
...かける => Impact N3
Act
とりわけ => especially; above all ~ N3
Emphasis on degree
ていただけるとありがたい => I would really appreciate it if ... N3
Exclamatory
における => in; at (place) N2
Scope
なるたけ => as much as possible N3
Limit, limit
ひとり ... だけでなく => not only…, not just… N2
Add
~きわまる/きわまりない(~極まる/極まりない)      => extremely; very ~ N1
かける => Is doing, haven't finished yet N2
Will, Decision, “Doing”