The idiom "aftermath" refers to the effects or consequences that occur after an event, particularly a significant one. It can also refer to the emotional or psychological impact of such events.

The idiom "can't judge a book by its cover" means that one should not make judgments about something or someone based solely on their appearance or external characteristics.

The idiom "within earshot" refers to a distance that is close enough for someone to hear what is being said or done. It can also indicate a range of distances within which something can be heard.

The idiom "fly in the ointment" refers to a person or thing that disrupts or ruins an otherwise pleasant or successful situation. It can also refer to a negative or unwelcome interference in someone's plans or activities.

"At sixes and sevens" is an idiom that means to be confused or disorganized. The phrase can also mean being uncertain, hesitant, or undecided about something. It can refer to a person, a situation, or even an event.