Definition
to gaze at someone with romantic or sexual intent
色瞇瞇的看；慰懐的看
At the party, he kept eyeing her up, as if he was interested in her.
在派對上，他一直對她拋媚眼，好像對她感興趣。
She noticed the boy eyeing her up with a flirtatious look.
她注意到那個男孩用調情的眼神對她拋媚眼。
He was eyeing her up in the coffee shop, his gaze showing clear affection.
他在咖啡店裡對她拋媚眼，目光中流露出明顯的愛慕之情。