to stare fixedly at; to fix one's gaze on; to make sure of; to set one's eyes on (e.g. the future); to focus on
① 困っている相手などを、そのことを知りながら放っておく。② 見限る。関係を断つ。
to observe carefully; to make sure
before one's own eyes; from under one's very nose; without doing anything; without resistance; helplessly; negligently