The idiom "in broad daylight" refers to a situation where something is happening openly, publicly, and without any concealment or secrecy. It can also indicate that an action is being taken with no fear of retaliation or harm.

The idiom "come a cropper" means to fail miserably or suffer a great defeat, often involving unexpected events or circumstances that lead to the downfall of an individual, group, or organization. It can also imply taking a mistake or misstep that leads to failure.

The idiom "all of a sudden" means without warning, unexpectedly, or instantly. It can also mean out of nowhere or from the blue.

The idiom "black mood" refers to a state of sadness, depression or melancholy. It is often used to describe someone who is feeling down, upset, or out of sorts.

The idiom "you can't win them all" means that it is impossible to be successful or achieve everything you want, as some things are beyond your control. It is a reminder not to take success for granted and to recognize the limitations of what can be achieved.