# They have healed the brokenness of my people lightly

"They act as though my people's problems are not serious" or "They act as though my people's sins are not serious"

# the brokenness of my people

"the places where my people were broken" or "my people, who were broken,"

# lightly

Here "lightly" represents the wounds were easy to heal.

# 'Peace, Peace,' when there is no peace

"'All is well, All is well,' but it is not well"