你告诉我可以翻译成:you tell me /you told me/Let me know
例句:
1、If you're in urgent need of it,please tell me the exact time when you need it.
如果你急需要,请告诉我确切的时间。
2、Could you tell me the exact time when you need it?...
你可以告诉我你什么时候需要它吗?
3、After you think it over, please let me know what you decide
考虑好了后,请告诉我你的决定。