en_tn_lite_do_not_use/luk/15/29.md

these many years

"for many years"

I slaved for you

"I worked extremely hard for you" or "I worked as hard as a slave for you"

never broke a rule of yours

"never disobeyed any of your commands" or "always obeyed everything you told me to do"

a young goat

A young goat was smaller and less expensive than a fatted calf. AT: "even a young goat" (See: rc://en/ta/man/translate/figs-explicit)