Bite : noun A bite is a piece, quantity of food that one puts in the mouth at one time.
For a bite of bread: for a ridiculous price, for next to nothing.
Eat a bite: eat little.
From the last bite: immediately after the meal.
Make only one bite of a dish, eat it greedily.
Make short work of it: dominate easily, overcome it easily.
Make short work of an adversary: triumph over them easily.
For a bite of bread: for (almost) nothing, for little value, for cheap.
Double the bites: speed up the accomplishment of something; rush, hurry to do something, make an effort, be diligent, be productive, work more; swallow quickly, eat quickly.
King's bite: excellent food (fit for a king).
Don't waste a bite of it; Do not let anything escape.
Quote from the French writer Marcel Aymé (1902-1967): “I still have an ogre appetite. Except today. At noon, surprisingly, I couldn't swallow a bite. " in The right paint.
The expression "Work twice as hard": Go faster, accelerate an action - Speed up the accomplishment of something.
At the start, there is the bite, a quantity of food that you put in your mouth at one time. The word appeared around 1120 in the form buchiee, fortunately without emphasis on the first e because that could lead to confusion.
If, for some reason, you want to quickly eat what you have on your plate, do not hesitate to double, or even triple the size of the bite (some authors, jokingly, use moreover triple bites).
Obviously, when you double the bites, you eat the same amount in half the time. So by extension and because we don't need to speed up only the appetizer, double down has become synonymous with going faster, accelerating movement.