[関「かん」]して => About A, With relation to A N3
Considering, Concerning
ぶる => Acts like A, pretends as if A N1
Adjectival, Descriptions
[中心「ちゅうしん」]に => With A as the center N2
Miscellaneous
ぶり => The condition/state of A, The first time B has been done in A (period of time) N1
Adjectival, Descriptions
を => Over , across, along... N5
Particles
をはじめ/をはじめとする => For example, A N2
Lists, Examples
を[経「へ」]て => After A N1
Time, Situation
をもとに/をもとにして => A as a basis for B N2
Based, Focused, Depending on
ものを => Although A, (unfortunate result) B N1
Contrast/Surprise
をください => Please give me N N5
Asking and Telling
を[踏「ふ」]まえて => Thinking of A N1
Based/focused/depending on
を[機「き」]に => Use A as an opportunity N1
Time, Situation