~にたえる (耐える)    => bear doing ~ N1
[上「うえ」]に => Not only A, but B as well N2
(Not)only, (Not) even
の[上「うえ」]では => As… N4
Situations and Experiences
[上「うえ」]で => A done then B N2
Information, Report
上げる => to finish doing ~ N3
も構わず => without caring; without worrying about ~ N2
その[上「うえ」] => Not only A, but B (as well) N3
Not only, Not even
にかえる => Return to do something N4
Secondary Verb
[上「あ」]げる => Just finished/completed A N3
Time, Situation
[上「うえ」]は => Because of A, B can't be helped/is expected N2
Reason, Result, Response
も[構「かま」]わず => Without considering A N2
Considering, Concerning
...かに見える => to look; to seem; to appear N2
For example, simile