The phrase "impossible job" refers to a task or occupation that is extremely difficult or nearly impossible to complete successfully.
Sentences with «impossible job»
In our culture, we find parents struggling with the seemingly impossible job of raising a healthy kid who doesn't fall prey to the dangers of the world. (laparent.com)
I've always thought first ladies have a nearly impossible job in part because they are in the spotlight but have no particular mandate. (gse.harvard.edu)
It is a nearly impossible job which few are truly prepared and trained for. (fortune.com)