until you are blue in the face

”until you are blue in the face”
If you say or shout something until you are blue in the face, you are wasting your efforts because you will get no results and no one listens to you
تکرار زیاد چیزی بدون آنکه تاثیری داشته باشد یا کسی به آن گوش کند

Example : You can tell her to tidy her room until you are blue in the face, but she won’t do it.