What does the idiom in this text suggest?
If you don't mind waking up at the crack of dawn (or if you even prefer it), consider a career as a baker, a teacher, or an investment banker.
You have to wake up at sunset. You have to wake up very early.
Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive.
An idiom is an expression that cannot be understood literally. Its meaning must be learned.
The assignment was a piece of cake.
The text uses an idiom, an expression that cannot be understood literally.
The idiom at the crack of dawn suggests that you have to wake up very early. Dawn is the beginning of the day, so the idiom means very early.