"说慢一点" 用英语可以说作 "speak slowly"。其中，"speak" 是 "说话" 的意思，"slowly" 是 "慢慢地" 的意思。

举个例子，可以这样说：

Chinese: 你能不能说慢一点？

English: Can you speak slowly?

Chinese: 我不太懂你在说什么，能不能说慢一点？

English: I don't quite understand what you're saying. Could you speak slowly?

希望这些例句能够帮助你理解这个短语的用法。