# stretch over Jerusalem the measuring line used against Samaria, and the plumb line used against the house of Ahab

"judge Jerusalem using the same measure I used when I judged Samaria and the house of Ahab". Additionally, "I will wipe Jerusalem clean, as a man wipes a dish, wiping it and turning it upside down" means "God would completely destroy Jerusalem.” 

# against Samaria

"against the people of Israel". Samaria is the capital city. 

# plumb line

a tool made of a heavy weight and a thin rope used to show if a wall is straight

# the house of Ahab

"the family of Ahab"