予人玫瑰,手有余香的英文

After giving rose to others,fragrance remains with the hands.
(我高中时专门背的，绝对正确)

“赠人玫瑰，手有余香”是英国的一句谚语

If you smile upon the world,it will smile upon you.
But if you look doultful on it ,you'll get a similar look in return.

Roses given, fragrance in hand