The idiom "you are what you eat" is a metaphorical statement that suggests a person's behavior, personality, or character is determined by their dietary choices.

The idiom "learn to walk before you run" means that one should learn and master a basic skill or task before attempting something more complex or challenging.

The "dog days of summer" is an idiom that refers to the hottest and most humid time of the year, typically occurring in July or August in the Northern Hemisphere.

The idiom "as to" is used to express a range of emotions, including surprise, astonishment, disbelief, excitement, or curiosity. It can be used to ask for more information, to challenge someone's assertion, or to express disagreement.

The idiom "as simple as that" is used to describe a situation or task that is very easy to understand or complete. It can also be used to indicate that something has been resolved quickly and easily.