合う => do something together N3
[合「あ」]う => To do A together/mutually N4
Secondary Verb
~こと請け合い => I guarantee ... N1
Happens next
場合(は) => in the event of; in the case that ~ N4
~ににあわず (に似合わず ) => ~Different from N1
Evaluate
というより/というか => rather than ~ N3
より~ほうが => is more than N5
どうりで => indeed,it's no wonder N2
Base, base
…どうりがない => No reason... N2
Emphasize negative meaning
というより => Rather than A N3
Comparison, Exchange
てっきり...と思う => surely; certainly; without a doubt N3
もうV-てあります => is/has been done (resulting state) N4
Result status