を中心に => focused on; centered on~ N2
何をしますか => What are you doing... N5
Doubt
のを知っていますか => Do you know...? N4
...を...にする => to make something ~ N4
Purpose, target
を…とする => is considered, is regarded as N2
Consider it
なかを => In this situation... N5
Base, base
をはじめ/をはじめとする => For example, A N2
Lists, Examples
ふりをする => to pretend; to act as if ~ N3
[中心「ちゅうしん」]に => With A as the center N2
Miscellaneous
ですか => Isn't it? N5
ふりをする => To pretend to (be) A N3
Adjectival, Description
~をかわきりに(~を皮切りに)      => One after another; starting with ~ N1