んです => Because, by… N4
Situations and Experiences
すら,ですら => Even A N1
(Not)only , (Not) even
てごらん => Please (try and) A N3
Verb Suffixes
いかんでは,いかんによっては => Considering A, depending on A N1
Based/focused/depending on
いかんにかかわらず,いかんによらず => Regardless of A (A is a reason, response, result) N1
Based/focused/depending on
~ました/~ませんでした => Polite, past form of verb N5
Verb suffixes
~から~まで => From A to B N5
Time
ですから => Because of A, B N3
Reason, Result, Response
でなくてなんだろう => It's definitely A (and not something else) N1
Information, Report
に[反「はん」]して/に[反「はん」]し/に[反「はん」]する/に[反「はん」]した => In contrast to A N2
Contrast,Surprise
たら~たで => Although A is generally good, (followed by an 'alternate' statement/option) N1
Contrast/Surprise
んだって => Hear that~ N3
Information, Report