To stare intently or gaze fixedly at someone or something, often out of curiosity, surprise, or scrutiny.
彼女は鏡の中の自分をまじまじと見つめた。
She stared intently at herself in the mirror.
老人は孫の顔をまじまじと見て、微笑んだ。
The old man looked closely at his grandson's face and smiled.
警察は証拠の写真をまじまじと見ていた。
The police officer was scrutinizing the evidence photos closely.