[気味「きみ」]だ => Like A, Looking like A (is happening) N2
Adjectival, Descriptions
をはじめ/をはじめとする => For example, A N2
Lists, Examples
をかわきりに => Starting with A N1
Miscellaneous
を[機「き」]に => Use A as an opportunity N1
Time, Situation
ふりをする => To pretend to (be) A N3
Adjectival, Description
を[契機「けいき」] => As a good opportunity A, (do) B N2
Information, Report
させて[頂「いただ」]きます/させてもらいます => Allow me to A N1
Miscellaneous
すら,ですら => Even A N1
(Not)only , (Not) even
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
を[禁「きん」]じ[得「え」]ない => Can't help but do A, can't hold back from A (emotional response to something) N1
Will, Decision, Doing
の[末「すえ」]/た[末「すえ」] => conclusion N2
Reason, Result, Response
をもって(すれば) => With the means/ability/strength A, B is done, A marks the end of something happening (polite) N1
Time, Situation