Meaning: to cry about past events that cannot be undone.
Example: While it's sad that the results have not been as good as you expected, you should now focus on moving ahead and achieving better results next time; there is no use crying over spilt milk. Read more ➺
Meaning: say something (by mistake) that upsets, humiliates, or embarrasses someone
Example: Carla put her foot right in it when she congratulated her neighbour on being pregnant. It turns out she's not expecting but had just put on weight. Read more ➺