いかんにかかわらず,いかんによらず => Regardless of A (A is a reason, response, result) N1
Based/focused/depending on
わ => Very, so, already N5
Particles
に[反「はん」]して/に[反「はん」]し/に[反「はん」]する/に[反「はん」]した => In contrast to A N2
Contrast,Surprise
[極「きわ」]み/[極「きわ」]まりない => Extremely A N1
Degree/ Level/Amount
んです => Because, by… N4
Situations and Experiences
わりに => Considering A, B N2
Considering, Concerning
んだって => Hear that~ N3
Information, Report
わりに => Considering A, B (unexpected) N3
Considering, Concerning
にわたって/にわたり => Over the course of A (continuous action), Throughout A N2
Time, Situation
[禁止「きんし」] => Don't do N4
Can, Should, Must
いかんでは,いかんによっては => Considering A, depending on A N1
Based/focused/depending on
かたわら => While doing A, (B) N1
Information, Report