“Bad blood”

“Go belly up”

To fail completely, especially a business.

“Heavy going”

Difficult to do, read, or understand.

“Green with envy”

Very jealous.

“Hands are tied”

Unable to act because of rules or restrictions.

“Bad news travels fast”

People quickly hear about bad events.

“Go pear-shaped”

To go wrong or fail.

“Not my cup of tea”

Not something one likes or enjoys.

“Heart of gold”

A very kind and generous nature.