当然だ/当たり前だ => natural; as a matter of course N2
のを知っていますか => Do you know...? N4
も同然 => just like; same as ~ N2
全然~ない => (not) at all N4
…とばかりおもっていた => Thought that ... N3
Speculation
にあたり/にあたって => at the time; on the occasion of ~ N2
たり~たり => do such things as A and B N5
~ばよかった/~たらよかった/~ばよかったのに/~たらよかったのに => If only N3
~たり~たりする => Do things like V1,V2 N5
Verb suffixes
かも[知「し」]れない => Might A, maybe A, perhaps A N3
Sentence Endings
にわたって/にわたり => Over the course of A (continuous action), Throughout A N2
Time, Situation
... ようったって => Even if ... can't .... N2
Things do not match the prediction