understanding, comprehension / appreciation

difficult / hard, probably impossible

a feeling, sensation, feelings / a state of mind, mood / mood of a place; atmosphere / a little, a bit / feeling depending on a physical condition

understand, comprehend / appreciate

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

(Internet slang) complaint; grumble

(chiefly predicative) sick, having an urge to vomit / disgusting, repulsive / Used other than figuratively or idiomatically: see 気持ち, 悪い. ("feeling bad; in a bad mood")

impossible to understand, utterly confused