~ににあわず (に似合わず ) => ~Different from N1
Evaluate
合う => do something together N3
~こと請け合い => I guarantee ... N1
Happens next
せいにする => Blame... N2
Cause, reason
まわる => to go around N3
Go through, go through
させてあげる => (Allow) N4
Allow
てみせる => I'll show you ~ N4
Purpose, target
姿を見せる => figure; appearance N3
Ability
にいわせれば => if you ask...; if one may say... N1
Base, base
と[言「い」]わせれば => On the view of N1
Based/focused/depending on
[合「あ」]う => To do A together/mutually N4
Secondary Verb
終わる => to finish; to end N4