~のぼる  => To increase N2
Reach level
... おぼえはない => don't remember... N3
Position, perspective
それどころか => on the contrary N2
Emphasis on degree
その...その => Every... N1
Happens next
は[疎「おろそ」]か => B, let alone A; B, not to mention A N1
(Not)only , (Not) even
頃 (ころ/ごろ) => around; about; when N4
それこそ => exactly that N3
Emphasis on degree
それでこそ => Such N3
Cause, reason
からこそ/~ばこそ/こそ => precisely because ~ N2
それはそうと => anyway N2
~もそこそこに      => do …. hurry N1
そもそも => Most accidents, after all N2
Criticize