仲人を通して

なこうどをとおして

through a go-between

をして

indicates patient of a causative expression

通し

とおし どおし

throughout..., all through...

通じて

つうじて

through, via

筋を通す

すじをとおす

to proceed in a logical manner, to go through the proper channels

客を通す

きゃくをとおす

to show a guest in

町を通る

まちをとおる

to pass through town

光を通す

ひかりをとおす

to allow light to pass through, to shine light through

我を通す

がをとおす わがをとおす

to insist on one's own ideas, to have one's own way

手を通す

てをとおす

to put on (clothing, esp. new)

目を通す

めをとおす

to scan, to look over

喉を通る

のどをとおる

to be able to eat; to be able to swallow

火を通す

ひをとおす

to cook, to heat

袖を通す

そでをとおす

to put on (of clothing), to put (arms) through sleeves

風を通す

かぜをとおす

to ventilate; to let fresh air in

糸を通す

いとをとおす

to thread (e.g. a needle, beads, etc.)

を介して

をかいして

using as an intermediary, through

通を気取る

つうをきどる

to pretend to know everything, to pretend to be an expert

款を通ずる

かんをつうずる

to communicate secretly, to form a close friendship