禁止形 => Negative imperative form N4
[禁止「きんし」] => Don't do N4
Can, Should, Must
的 => about (change noun into na-adjective or adverb) N3
~に~かい(~に~回)      => Do ~ times in ~ period N5
Frequency
…のも無理 (は) ない => It's natural for... N3
Evaluate
のも無理もない => (to be) natural,(to be) understandable N3
Evaluate
とはくらべ[物「もの」]にならない => It's no match for A N1
Comparison/ Exchange
~をきんじえない(~を禁じ得ない) => can't help but; can't refrain from ~ N1
を[禁「きん」]じ[得「え」]ない => Can't help but do A, can't hold back from A (emotional response to something) N1
Will, Decision, Doing