とはくらべ[物「もの」]にならない => It's no match for A N1
Comparison/ Exchange
をもとに/をもとにして => A as a basis for B N2
Based, Focused, Depending on
~にしのびない (~に忍びない)      => cannot bring oneself (to do); unable to bear ~ N1
たしかに/なるほど~かもしれない => might; perhaps N3
Speculation
をものともせずに => in defiance of; not losing to / afraid / worrying about ~ N1
ものを => Although A, (unfortunate result) B N1
Contrast/Surprise
のもと/をもと => Based in/on A N2
Based, Focused, Depending on
~のを => Nominalize verbs N5
Nominalization
... ないものは ...ない => is not entirely impossible N3
Ability
ものもV-ない => is not entirely impossible N4
Emphasize the negative meaning
…ばあいをのぞいて => Except for N2
Exception
いかにも…らしい => indeed; really; truly N3
Accept, agree