送给自己用英文怎么说

英语中给自己送礼物的说法是 "to treat oneself"，来源是用于购买自己喜爱的物品或服务的行为。例句：

I decided to treat myself to a new pair of shoes.
(我决定给自己买一双新鞋。)
She treated herself to a spa day after a long week of work.
(工作了一个漫长的周后，她给自己安排了一个spa日。)