可別忘了;你可給我記住;你給我老實點
and don't (you) forget it
可別忘了;你可給我記住;你給我老實點
used to tell sb how they should behave, especially when they have been behaving in a way you do not like
You're a suspect, not a detective, and don't you forget it.你是嫌疑犯,不是偵探,給我記住了。
釋義來自《牛津高階英漢雙解詞典》第 9 版