慢慢享用用英语可以翻译为 "enjoy slowly" 或 "take your time to enjoy". 来源可能是源于中文的建议，尽情享受某事物，并尽量避免压力和紧张。

例句：

Enjoy the food slowly and savor every bite. (慢慢享用食物，尝出每一口的美味。)

Take your time to enjoy the view and don't feel rushed. (慢慢享用这里的景色，不要感到压力。)