の[上「うえ」]では => As… N4
Situations and Experiences
と[言「い」]うのは => Means, is N3
Information, Report
とは[裏腹「うらはら」] => Contrary to A, opposite of A, ... N1
Contrast/Surprise
それはそうと => By the way N2
Miscellaneous
はどうあれ => Whatever the A, regardless of the A N1
Based/focused/depending on
うではないか/うじゃないか => Let's go A; Why don't we A? N2
Miscellaneous
とは/というのは => Defines a term/phrase A as B; The meaning of A is B N1
Adjectival, Descriptions
[上「うえ」]は => Because of A, B can't be helped/is expected N2
Reason, Result, Response
というものではない => Not sure, not means N2
Information, Report
ということは => A In other words, B; A Oh, so B N2
Adjectival, Descriptions
に[応「おう」]じて(は)/に[応「おう」]じ(た) => In response/reply to A, In line with A; That fits with A N2
Based, Focused, Depending on
[必要「ひつよう」]はない => It is not necessary for A to be done N2
Needs, Requirements