合う => do something together N3
を通じて/を通して => through; via; throughout; by ~ N2
~こと請け合い => I guarantee ... N1
Happens next
一通り => Basically, (get) over, done N2
Base, base
[合「あ」]う => To do A together/mutually N4
Secondary Verb
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
通す => to do until the end; to continually do; through ~ N3
[通「とお」]り/[通「とお」]り => In the way A; The same as A, B; As described by A, B N2
Miscellaneous
~どおしだ(通しだ)      => do something all the time N1
を[通「とお」]じて/を[通「とお」]して => Over the course of A, during the time A, Through (as a means) A N2
Miscellaneous
通り (とおり/どおり) => in the same way as; in the way; as ~ N2