Idioms with animals are often formed in language and are used not only to describe situations, but also to describe people, their appearance and behavior.
An early bird (catches the worm)
This expression is always used to describe a person, who does everything earlier than other people and that’s the key for their success.
My younger brother started investigating money when he was only 16 years old.
The early bird catches the worm.
To be as sick as a dog
To be very sick, usually with a cold, flu, or stomach problem.
I don’t know what I ate this morning, but I have been as sick as a dog all day!…
