With a fixed, intent stare; looking closely and unblinkingly (often used as まじまじと見る to mean scrutinize).
彼女は古い写真をまじまじと見つめた。
She stared intently at the old photo.
子どもが母親の顔をまじまじと見ている。
The child is staring closely at his mother's face.
先生にまじまじと見られて、答えにくかった。
The teacher stared at me intently, so it was hard to answer.
そんなにまじまじ見ないでください。
Please don't stare at me like that.