~のぼる  => To increase N2
Reach level
... おぼえはない => don't remember... N3
Position, perspective
手前 => considering; before; in front of; one’s standpoint N1
のが上手 => to be good at doing something N5
のが下手 => to be bad at doing something N5
よりいっそ => I'd rather... than... N2
Description
さっぱり…ない => nothing/ absolutely not… N2
Position, perspective
…とばかりおもっていた => Thought that ... N3
Speculation
てっきり...と思う => surely; certainly; without a doubt N3
さっぱりだ => There is nothing exciting or positive at all N2
Emphasize negative meaning
に限り/に限って/に限らず => only if N2
にあたり/にあたって => at the time; on the occasion of ~ N2