Yes. Authors also use metaphors to make details more vivid and imaginable.
That statement is a metaphor.
The phrase "labour myself to death" is a hyperbolic metaphor. It conveys the idea of working excessively hard to the point of exhaustion or even self-destruction. This figurative expression emphasizes the intensity and negative consequences of overworking oneself.
The expression "Dig your own grave" is a metaphor which means to get one's self into trouble that they may not be able to get out of, something foolish or dangerous.
As a form of self-expression.
This is a simile, not a metaphor.
no
allusion
"Piece of cake" is both a metaphor and an idiomatic expression.
actually it is a metaphor
What is your question? Of course dance is a fine art!
Metaphor
Uh...I guess you will just have to another metaphor to describe the sentence!always remind your self