我已经告诉过你—我们负担不起，不再说了！

I've already told you—we can't afford it, full stop!

《牛津词典》

我已经告诉过你了，你不要说话。

I've told you before, you must not talk.

youdao

我已经告诉过你了，你没在听吗？

I have told you, weren't you listening?

youdao

I have said to you, "Let my son go, that he may worship Me," yet you refuse to let him go.

我已经告诉过你，“让我的孩子离开，他要崇拜我“,但是你却不让他走。

耶鲁公开课 - 旧约导论课程节选

You could tell your friend that you've tried it and it didn't work by using the "I've already" pattern.

你可以用“I've already”句型告诉你朋友，你已经用过了，却没什么效果。

I've already 课堂 - SpeakingMax英语口语达人

You could tell him that you've already taken care of it by using the "I've already" pattern.

你可以用“I've already”句型告诉他你已经处理过那个问题了。

I've already 课堂 - SpeakingMax英语口语达人