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
~みこみだ => ~Expected N1
Determined, determined
~ににあわず (に似合わず ) => ~Different from N1
Evaluate
~みこみちがい / みこみはずれ> => ~Contrary to expectations N1
Beyond expectations
み => ~ness N3
[受「う」]け[身「み」] => Passive, be V-ed. N4
Causative, Passive, Volitional
ようにみせる => to look; to seem; to appear ~ N4
Consider it
...そうにみえる => to look; to seem; to appear N4
Speculation
~みこみがたつ => have a good prospect N1
Expected