# She looked, and, behold, the king was standing

"When she arrived, she was surprised to see King Joash standing"

# by the pillar

"by one of the pillars of the temple"

# as the custom was

"which was the usual place for the king to stand"

# the trumpeters

"the people who played the trumpets"

# Athaliah tore her clothes

She tore her clothes to express that she was very upset and angry. 

# Treason! Treason!

"You are traitors! You have betrayed me!"