を[機「き」]に => Use A as an opportunity N1
Time, Situation
[通「とお」]り/[通「とお」]り => In the way A; The same as A, B; As described by A, B N2
Miscellaneous
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
を[契機「けいき」] => As a good opportunity A, (do) B N2
Information, Report