おいそれと(は)…ない => Not easy, hard to N3
Invariant
やっと => Eventually... N4
と[思「おも」]いきや => Even though A (was thought/expected), different result B N1
Contrast/Surprise
…とやら => heard that~ N2
Heard
以来 => since; henceforth ~ N2
~というか~というか/~といおうか~といおうか      => (I’m not sure if it’s) A or B, Or perhaps, Or maybe N1
とおり => Several ways N4
Means and methods
(か)とおもうと / (か)とおもったら => just when; no sooner than ~ N2
Simultaneously
... を... とすれば/ ... が... だとすれば => in the case of~; assuming~; if A then B (conditional) N2
Consider it
と([思「おも」]う、[言「い」]う、[考「かんが」]える) => That A N4
Particles
ひととおりではない => Not as usual (is okay) N2
Emphasis on degree
~としたことが => ~ surprised N1
Surprised