不用怎么说的英语

There are many phrases that can be used to mean "no need to say more" or "no need for further explanation" in English. Some examples include:

"I think you get the idea"
"I'm sure you understand"
"I don't think there's anything else to add"
"I think we're on the same page"
"I think that's all that needs to be said"
"I think that covers it"
"I think that's pretty self-explanatory"

The exact phrase to use would depend on the context and your personal style of speaking. These are just a few examples to give you an idea of the type of phrases that can be used in this situation.