在英语中，“多喝热水”可以用 "drink more hot water" 来表达。

这个短语的来源可能源于人们通常喝热水来保持健康，并且喝热水可能有助于提高新陈代谢并促进体内排毒。

下面是一些例句：

"I try to drink more hot water throughout the day to stay hydrated and healthy." (我努力整天多喝热水，以保持水分和健康。)

"Drinking hot water can help flush toxins out of your body and improve your metabolism." (喝热水可以帮助排出体内的毒素，提高新陈代谢。)

"I find that drinking hot water with lemon in the morning helps me feel energized and refreshed." (我发现早上喝热水加柠檬能让我感觉精力充沛，神清气爽。)