気味 => -like; -looking; -looked; tending to ~ N2
に気がつく => to notice; to realize N4
...ような気がする => have a feeling that; feels like; seems like; think that ~ N3
Description
気にもならない => it's no use; can't do N1
Evaluate
[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
にする => にする N4
~にたえる (耐える)    => bear doing ~ N1
する => become ... N4
Situation, case
なる => become N5
あるいは~あるいは~ => or, either N3
Line up, list
~からなる(成る)      => Consists of; formed to N2