to be concerned about, to worry about / to weigh on one's mind

[one's] concentration disperses; to be distracted

(idiomatic) to have one's attention attracted

Alternative form of 気が遠くなる

(idiomatic) to faint, to lose consciousness / (idiomatic) to be overwhelmed

(idiomatic) to be unable to stomach, sticking in one's throat

be dejected, lose heart, be in low spirits

(biology) being aerobic

a female given name

sensing something that isn't there: one's imagination; part of one's imagination