際に/際/際は => occasion, time N2
[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
気味 => -like; -looking; -looked; tending to ~ N2
に気がつく => to notice; to realize N4
に際して => on the occasion of; at the time of ~ N2
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
...ような気がする => have a feeling that; feels like; seems like; think that ~ N3
Description