に[限「かぎ」]った[事「こと」]ではない => It's not limited to A, it's not only A N1
Degree/ Level/Amount
てしょうがない/てしかたがない => Very A; Really A; Extremely A N2
Degree, Level, Amount
もし~たなら => If A … N3
Conditional, While
といったらない/といったらありはしない => Extremely A, Very A, A beyond description N1
Degree/ Level/Amount
て[頂「いただ」]けないでしょうか? => Could you please A for me? N4
Secondary Verb
めったにない => Rarely N3
Degree. Level, Amount
~ました/~ませんでした => Polite, past form of verb N5
Verb suffixes
に[越「こ」]したことはない => It's better if A, it's better if it's A N1
Comparison/ Exchange
[事「こと」]だ => A is necessary/good (offering advice/suggestion) N3
Needs, Requirement
に[対「たい」]して/に[対「たい」]しては => In response to (topic) A, in regards to A, considering A, in contrast to A N2
Reason, Result, Response
に[対「たい」]して/に[対「たい」]しては => In response to (topic) A, in regards to A, considering A, in contrast to A N3
Reason, Result, Response
ただし => A。However, B N2
Contrast,Surprise