en_tn_lite_do_not_use/gen/04/17.md

Cain knew his wife

This is a polite way of saying that Cain had sexual relations with his wife. You may need to use another euphemism in your language. See how you translated this in Genesis 4:1. (See: rc://en/ta/man/translate/figs-euphemism)

He built a city

"Cain built a city"