The idiom "chill to the marrow" means to feel extremely cold, or to be very frightened or scared. It is a figurative expression that implies a deep sense of fear or dread that goes beyond just the surface level.

The idiom "miss the boat" means to miss an opportunity or chance that would have been beneficial or important. It can also refer to missing out on a development or event that is happening, or even a person who has left or passed away.

The idiom "sea change" refers to a significant transformation or a radical shift in something. It is often used to describe a sudden and dramatic change in circumstances, behavior, or attitudes.

The idiom "belly laugh" refers to a sudden, intense burst of laughter that comes from deep within the stomach, often accompanied by involuntary physical reactions such as bending over or reaching upwards.

The idiom "put cards on the table" means to reveal or disclose information, especially something that was previously hidden or kept secret. It can also mean to make a proposal or offer, or to expose one's true intentions or motivations.