下次一定用英语怎么说短语

"I'll definitely use English next time" 是 "下次一定用英语" 的英语翻译。

这个短语是由两个部分组成的，"next time" 是表示 "下一次" 的意思，"I'll definitely" 是表示 "我一定会" 的意思。

下面是一些例句：

I'll definitely use English next time, so please speak slowly. (下次我一定会用英语，所以请慢慢说)
I made a mistake this time, but I'll definitely use English next time. (这次我犯了个错误，但下次我一定会用英语)
I'm not confident in my English, but I'll definitely use it next time. (我不是很有信心自己的英语，但下次我一定会用它)