give someone the glad eye
US /ɡɪv ˈsʌmˌwʌn ðə ɡlæd aɪ/
UK /ɡɪv ˈsʌmˌwʌn ðə ɡlæd aɪ/

1.
抛媚眼, 送秋波
to look at someone in a way that shows you are sexually attracted to them
:
•
He kept giving her the glad eye across the room.
他不停地从房间那头向她抛媚眼。
•
She noticed him giving her the glad eye and smiled back.
她注意到他向她抛媚眼,便回以微笑。