en_tn/gen/06/05.md

inclination

"tendency" or "habit"

the thoughts of their hearts

"their inner, secret thoughts". Your language may use a word other than "heart" to talk about the part of people that thinks.

it grieved him to his heart

This is a figurative way of saying that he was very, very sad about it. Your language may use a word other than "heart" to talk about the emotions.