The idiom "mad at" is used to describe extreme anger or fury towards someone or something. It can also be used to describe a state of being angry, irritated, or upset.

The idiom "ahead of the curve" refers to being proactive, anticipating and addressing problems before they occur, or being ahead of the competition by innovating or introducing something new.

The idiom "elephant in the room" refers to a problem, issue, or situation that is obvious and conspicuous but is being ignored or avoided due to its awkwardness or difficulty.

"Cast aspersions" is an idiom that means to make accusations or cast doubt on someone's character, motives or intentions without any evidence to support these claims. It is often used to describe a situation where someone is being unfairly judged or criticized.

The idiom "fit as a fiddle" means to be healthy, strong, and in good physical condition. It is a figurative way of expressing that someone is in excellent health and has no medical issues or physical disabilities.