…のも無理 (は) ない => It's natural for... N3
Evaluate
何か => Something N5
Doubt
~もなにも(~も何も)      => ~ and everything N1
Description
のも無理もない => (to be) natural,(to be) understandable N3
Evaluate
じゃないか / ではないか => right? isn't it? N3
Confirm
か何か => or something N3
じゃないか / ではないか => right?; isn't it? (Criticism) N3
Criticize
じゃないか / ではないか => right? isn't it? let's~; confirmation N3
Surprised
は..語で何ですか => What does it mean... N5
Explain
~なまじ~(ものだ)から      => so; therefore; the reason for something N1
~てもはじまらない => even if you… it's no use; there is no point to ~ N1
Emphasize
ようではないか/ようじゃないか => Let’s do (something); Why don’t we ~ N2