English Idioms: Hit the nail on the head

English Idioms About “Parts of the body”
Idiom: Hit the nail on the head
Meaning: Said to describe exactly a situation or a problem.
Example: I think you hit the nail on the head when you said that the Smiths lack a sense of cooperation in their family.

English Idioms: As blind as a bat

English Idioms About “Health”
Idiom: As blind as a bat
Meaning: If someone is as blind as a bat, they are nearly or completely blind or they are unwilling to recognize problems or bad things. This is a simile which is based on the erroneous idea that bats cannot see properly. In fact, bats are not blind; they use vision to navigate, especially for long distances. In addition to their ability to see, they use a sophisticated built-in sonar system, called echolocation.
Example: 1. Without her glasses, she is as blind as a bat. 2. He is as blind as a bat when it comes to his wife’s shameful behavior

English Idioms: Chase rainbows

English Idioms About “Weather”
Idiom: Chase rainbows
Meaning: This idiom is used when someone tries to pursue unrealistic or fanciful goals, things that are impossible.
Example: He thought he could convince the boss to appoint him as the new manager, but in fact he was chasing rainbows.