The idiom "not believe eyes" means to be surprised or shocked by something that one sees with their own eyes, especially if it is unexpected or seems too good to be true. It can also mean to doubt or question what one sees, even if they are present at the scene.

The idiom "dead end" refers to a situation that is unproductive, fruitless, or leads nowhere. It can also mean an impasse or a deadlock where progress is impossible.

The idiom "in vain" means to do something that is fruitless or unsuccessful, often because someone has already done the same thing before or there is no hope of achieving a desired outcome. It can also imply that someone is trying too hard for no reason.

The idiom "kill the goose that lays the golden egg" is used to describe the situation where someone takes an action that destroys a valuable resource or opportunity. It is often used when someone has been successful and then loses everything because of their actions.

The idiom "tall poppy" is a figurative expression that means someone who stands out above the rest, usually by being arrogant or boastful about their achievements. It can also refer to someone who is easily recognizable or targeted for their position of authority or power.