かける => Is doing, haven't finished yet N2
Will, Decision, “Doing”
を[契機「けいき」] => As a good opportunity A, (do) B N2
Information, Report
わけにはいかない => Must not A, Must A N3
Needs, Requirement
かけの/かけだ => B in the middle of A; half-A B N3
Time, Situation
を[境「さかい」]に => A is set as a border/limit N1
Degree/ Level/Amount
をはじめ/をはじめとする => For example, A N2
Lists, Examples
から~にかけて => From A through B N3
Time, Situation
をくださいませんか => Please give me A (polite) N5
Asking and Telling
をきっかけに => With A as a good opportunity/chance to B, Using A as a time to (start) B N2
Information, Report
ざるを[得「え」]ない => Only A is left to do/can be done N2
(Not)only, (Not) even
をかわきりに => Starting with A N1
Miscellaneous
ふりをする => To pretend to (be) A N3
Adjectival, Description