Every Saturday I’ll give you a couple of idioms to learn. An idiom is a saying or phrase whose meaning cannot be taken from the literal meanings of the words.
kangaroo court: a self-appointed group that decides what to do to someone who is supposed to have done wrong.
Example:
Tom has no hope for true justice – that kangaroo court will take one look at the manufactured evidence and convict him on the spot, I fear.
lead a dog’s life: work hard and be treated unkindly
Example:
Cinderella led a dog’s life when her stepmother and stepsisters came on the scene.