~きわまる/きわまりない(~極まる/極まりない)      => extremely; very ~ N1
まわる => to go around N3
Go through, go through
と言われている => it is said that ~ N3
Heard
... るとか ... るとか => それとも... または N4
Demonstrate by example
[極「きわ」]まる => Extremely A, could not be more A N1
Adjectival, Descriptions
がわかります => Capacity N5
Ability
終わる => to finish; to end N4
ままになる => Just let... N4
Continuous
[極「きわ」]み/[極「きわ」]まりない => Extremely A N1
Degree/ Level/Amount
てもかまわない => it doesn't matter ... N4
Allow
てもかまわない => it doesn't matter ... N4
Concession
~ものとおもわれる => to think; to suppose; it is believed that…; it is expected that… N1
Speculation