To be abandoned, overlooked, or deprived of an opportunity at a critical moment; to fail to receive expected attention or support when it matters most.
2.
Global Englishtechnicalhistorical
Originally, in horse racing or similar events, to fail to start with the other competitors because one was not present at the starting post; hence, to miss the start of an event.
3.
Global Englishinformal
To be left behind figuratively while others proceed or benefit.
Examples:
EN: Or you'll be left at the post, like Gilbert Pillot.
ES: O te dejarán en el camino, como Gilbert Pillot.
EN: You'll be left at the post.
ES: A mi lado no te ascenderán.
EN: the bad luck to be left at the post, when heav