你可以用英文表达 "I would suggest drinking more water" 来建议别人多喝水。

这句话的来源是英语中的动词 "suggest",意思是提出建议或提议。

下面是一些例句:

"I suggest we go for a walk instead of watching TV." (我建议我们去散步,而不是看电视。)
"The doctor suggested I take these pills to lower my cholesterol." (医生建议我吃这些药片降低胆固醇。)

下面是对应的中文翻译:

"I would suggest going for a walk instead of watching TV." (我建议我们去散步,而不是看电视。)
"The doctor suggested taking these pills to lower my cholesterol." (医生建议我吃这些药片降低胆固醇。)