used to say that the chances of something happening or being true are very slim
something that is very good or desirable but highly unlikely to happen or be real
used to refer to something that is impossible or is extremely hard to imagine or obtain
used to emphasize that under no circumstances would one do something or something would happen
used to say that an offer or possibility is not renewable or available any more
to be unable to do or finish something without being harmed or suffering its consequences
the time when it becomes impossible for one to return to a previous place or state or to make a different decision
used for saying that it is completely unlikely that something ever happens
used to show that one will do whatever one can to stop something from happening
(of a proposal, topic, or offer) unavailable or incapable of being considered