Rub it in 一直说某件别人不喜欢或不开心的事情. 或者说自己的优点暗示别人缺点, 让别人不高兴.
e.g. Don’t rub it in, I know I missed that opportunity. 别再提了,我知道我错过了那个机会。
e.g. Mom, I know I flunked the final exam, no need to keep rubbing it in over and over again.妈妈,我知道我期末考试没及格,没必要一而再,再而三地反复提这件事。