を中心に => focused on; centered on~ N2
~やむをえず  => unavoidable, no other way to do something N2
Necessity, obligation
むりをする => to work too hard, to try too hard, to strain oneself N3
Description
むき => facing towards N3
Direction
むしろ => rather; instead N2
Compare
...はむりだ... => impossible N4
Description
込む => to be crowded N3
なくて済む/ないで済む => get by without doing ~ N2
[中心「ちゅうしん」]に => With A as the center N2
Miscellaneous
ずに済む => get by without doing ~ N2
むきもある => There are people… N3
Of course
むりに => Try to..., make an effort to... N3
Necessity, obligation