I believe that the answer to the question asked above is that the expression means you have to carry something before achieving something or going somewhere.
Hope my answer would be a great help for you. If you have more questions feel free to ask here at Brainly.
First of all, it is very important to comment about the phrase.
In english it is called idiom which is defined as an expression whose meaning is not predictable from the usual meaning of its constituent elements. (Source: dictionary).
In this case the meaning of phrase " you had to carry a bucket".
It suggests that the person could not to do some activity and he/she knew it.
A. They can portray imagery via the written word by making it stand out with either an underline or in bold letters. B. He uses imagery all the time and an example would be (depending on the story) when Jack and Jill went up the hill to fetch a pail of water and you're able to imagine what it may look like. C. On this one I don't know how to help you. I hope A and B help.