切る => Give up, stop... N3
Happens next
切る/切れる/切れない => to do something completely to the end/unable to do; too much to finish/complete N3
[切「き」]れない => Can't finish/complete A N3
Potential, Possibility
出す => to begin to; to start to; to burst into; ... out (e.g. to jump out, to carry out)​ N4
~をかわきりに(~を皮切りに)      => One after another; starting with ~ N1
ふしがある => Seem N2
Speculation
としている => be about to N2
Time
もしかすると/もしかしたら~かもしれない => perhaps; maybe; perchance; by any chance ~ N3
たしかに/なるほど~かもしれない => might; perhaps N3
Speculation
... そうにしている => to look ~, to seem~ N4
Evaluate
てさしあげる => to do something for somebody N4
Respectful, humble
てさしあげる => Do for N4
Give and take advice