[切「き」]れない => Can't finish/complete A N3
Potential, Possibility
させて[頂「いただ」]きます/させてもらいます => Allow me to A N1
Miscellaneous
を[頼「たよ」]りに => With the help of A; thanks to A N2
Based, Focused, Depending on
にしろ/にせよ/にもせよ => Regardless of if it's A or B, Even in the case of A N2
Based, Focused, Depending on
をかわきりに => Starting with A N1
Miscellaneous
を[機「き」]に => Use A as an opportunity N1
Time, Situation
といえば/というと/といったら => N3
Considering, Concerning
~ました/~ませんでした => Polite, past form of verb N5
Verb suffixes
をくださいませんか => Please give me A (polite) N5
Asking and Telling
をきっかけに => With A as a good opportunity/chance to B, Using A as a time to (start) B N2
Information, Report
ようだ => Looks as if A N4
Situations and Experiences
ようだ => Looks as if A N3
Adjectival, Description