Idiom : It's a dog's life

Phrase "It's a dog's life" means that the life is difficult, unpleasant and wrecked.

According to yourdictionary.com this expression was first recorded in a 16th-century manuscript and alludes to the miserable subservient existence of dogs during this era. 

By the 1660s there was a proverb: “It's a dog's life, hunger and ease.” (More information about this phrase on www.wisegeek.com)

Are there any idioms in your language with the same meaning? Please, comment below...