The meaning could be defined as 'putting all effort and concentration into what you do, and making it top priority until the task is accomplished.'
trying to hard.
the meaning is working hard and trying many things to solve it
There is not a simile for an ant although the phrase hard working uses ant as a simile to give a visual to the meaning. Most people have seen ants working and would say an ant is a hard worker because they are constantly working.
The Puritans believed simply that hard work was an honor to God and that it would lead to a prosperous reward. They were people who believed in actually working for a living.
It means 'Hard-working'.
A very hard working handsome teen boy.
industrious
hard-working
the both
Active, hard-working, or maybe lively?
It is hard to define matter because it changes. It is the composed to atom.
hard working