[際「さい」]して/に([際「さい」]し)/に[際「さい」]しての => At the time of A (which starts now).. N2
Time, Situation
なさい => Do A (command) N4
Can, Should, Must
~ないでください => Please don't do~ N5
Asking and Telling
に[加「くわ」]えて/に[加「くわ」]え => In addition to A (not only A), B as well. N2
Lists, Examples
そうにない => N2
Potential, Possibility
ずにはいられない/ないではいられない => Can't help but A; A is unavoidable N2
Will, Decision, “Doing”
てしょうがない/てしかたがない => Very A; Really A; Extremely A N2
Degree, Level, Amount
ずにはおかない/ないではおかない => Will definitely A, N1
Will, Decision, Doing
に[相違「そうい」]ない => No doubt N2
Information, Report
ずにはすまない/ないではすまない => A must be done N1
Potential, Possibility
でも[差「さ」]し[支「つか」]えない => It's OK if A, it doesn't matter if A N1
Need/Requirements
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