to gain someone's confidence through actions
заработать доверие через действия (zarabotat' doverie cherez deystviya)
"You need to earn their trust before they open up."
"Тебе нужно заработать их доверие, прежде чем они откроются." (Tebe nuzhno **zarabotat' ikh doverie**, prezhde chem oni otkroyutsya.)
the person or thing that motivates or leads progress
to be in charge while someone is away
to deal with a difficult technological challenge
to increase one’s knowledge or experience
to finally understand or accept the truth or a new idea
to act in a manipulative or strategic way to gain advantage