To speak honestly and sincerely.
Говорить честно и искренне. (govorit' chestno i iskrenne)
"When he apologized, he really spoke from the heart."
"Когда он извинился, он действительно говорил от всего сердца." (kogda on izviniłsa, on deystvitel'no govorio ot vsego serdtsa)
to make someone or something more lively or energetic
to organize oneself or one's actions effectively
someone who will never be your friend
completely bored or annoyed by something
to understand the hidden meaning behind something
To focus on the positive aspects of a situation.