といえば…ぐらいのことだ => speaking of... just... N2
Respectful, humble
ここ/そこ/あそこ/こちら/そちら/あちら => here / there / over there N5
Spatial relations
にこたえ(て) => in response to ~ N2
さえ...たら => Just...is enough N3
Conditions (sufficient conditions)
もらえまいか => Help... N2
Benefit
からこそ/~ばこそ/こそ => precisely because ~ N2
ことこのうえない => the most of all; the best; nothing is ... N2
Emphasis on degree
てもらえるか => Could you please...? N4
Benefit
に[答「こた」]えて => In response to A N2
Reason, Result, Response
と考えられる/と考えられている => one can think that; it is conceivable that; considered ~ N2
てもらえないか => could you please ~ N3
Request
だからこそ => precisely because ~ N3
Cause, reason