昨天你们让她过了快乐的一天。
make one`s day 是使高兴，使充实的意思
例如
If she wins, it'll make her day.她要是赢了，她就太高兴了
"I know how happy Hillary will be to hear from you on her birthday. Thank you for helping me to make her day special," Clinton wrote in his email.克林顿在邮件中写道：“希拉里收到你们的祝福会很开心的，谢谢大家的支持与帮助，让她度过这个特别的生日。”
追问很好，晚了一步，我已经采纳别人了⊙▽⊙
追答看到啦没关系。
系统出问题了，采纳后居然还能回答。
追问哈哈😄