にする => にする N4
を中心に => focused on; centered on~ N2
~たり~たりする => Do things like V1,V2 N5
Verb suffixes
せいにする => Blame... N2
Cause, reason
くする/にする/ようにする => to make something ~, to decide on, to try to; to make sure that ~ N4
くする/にする => To make, to change into N5
Change, cause and effect
[中心「ちゅうしん」]に => With A as the center N2
Miscellaneous
~く/ ~にする      => to make something ~ N4
Add meaning
...を...にする => to make something ~ N4
Purpose, target
ふりをする => to pretend; to act as if ~ N3
に...がV-てあります => Object status N4
Description
~ことにする      => to decide on N4
Decision