~のぼる  => To increase N2
Reach level
... おぼえはない => don't remember... N3
Position, perspective
昼となく夜となく => day and night N1
Continuous
とかく => anyway, anyhow N2
Vague
... ときく => I heard N2
Speculation
どことなく => Somewhere N2
Vague
とく => To do something in advance N3
少なくとも => at least ~ N2
~ごとき/ごとく      => like; as if; the same as ~ N1
はとにかく (として) => setting aside, regardless of N2
Change the subject of the story
とにかく => in any case, anyway N2
Innocent
そこへいくと => In comparison N3
Proportional, parallel