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
気味 => -like; -looking; -looked; tending to ~ N2
に気がつく => to notice; to realize N4
[切「き」]れない => Can't finish/complete A N3
Potential, Possibility
気にもならない => it's no use; can't do N1
Evaluate
~をかわきりに(~を皮切りに)      => One after another; starting with ~ N1
[気味「きみ」]だ => Like A, Looking like A (is happening) N2
Adjectival, Descriptions
一気に => in one go; without stopping; all at once; immediately; instantly; right away ~ N2
...ような気がする => have a feeling that; feels like; seems like; think that ~ N3
Description