a student who is favored by the teacher
先生に特に好かれている生徒 (sensei ni tokuni sukarete iru seito)
"Everyone teases her for being the teacher’s pet."
"みんな彼女が先生のお気に入りだとからかう。" (minna kanojo ga sensei no okiniiri dato karakau)
take advantage of a good situation while it lasts
to eat something quickly
being considered for elimination or discontinuation
to achieve something gradually and steadily
proven effective through experience or hardship
to quickly assess someone or something