win instant success 马到成功

“马到成功”，本意是指征战时战马一到便获得胜利。比喻成功迅速而顺利，可以翻译为“win instant success; gain an immediate victory [success]; with success the moment one arrives”。常用于祝福语，如“祝你马到成功！（I wish you instant success! ）”

你们一组人， 个个团结， 干起事来，马到成功。

You have good unity in your group, and success will be yours for the asking.