# You must not bow down to them or worship them

The word "them" refers to carved figures or idols.

# jealous

God wants his people to worship only him.

# punish the ancestors' wickedness by bringing punishment on the descendants

God will punish people for the sin of their parents.

# to the third and the fourth generation

"to generations 3 and 4." This refers to the grandchildren and great-grandchildren. Alternate translation: "even on the grandchildren and great-grandchildren  (See: [[rc://en/ta/man/translate/translate-ordinal]])