The idiom "drop dead" means to die immediately, suddenly, or unexpectedly. It's often used to express surprise or shock at someone's death, especially if it's sudden and unexpected.

The idiom "in the limelight" refers to being the center of attention or focus, often in a positive or favorable way. It means that someone or something is being highlighted, showcased, or emphasized in a particular context.

The idiom "all bark and no bite" refers to someone or something that is all talk but lacks substance. It suggests a lack of action or follow-through, and can be used to describe people who are overly critical or negative without providing any constructive feedback or solutions.

The idiom "old habits die hard" means that it is difficult to change established patterns of behavior or thinking, especially when they have been ingrained over time.

The idiom "make a clean breast" means to reveal everything that is known or has happened, without any secrets or hidden information being kept back. It refers to making a full confession or disclosure of all the facts, especially if they are unpleasant or embarrassing.