to break someone's confidence in you
背叛某人的信任 (bèipàn mǒu rén de xìnrèn)
"She would never betray your trust."
"她永远不会背叛你的信任。" (Tā yǒngyuǎn bù huì bèipàn nǐ de xìnrèn.)
an important or influential person
to argue with someone verbally
to face a difficult situation bravely
to work through the details of something by discussion
to try something, even if you are not sure of success
to appreciate and believe in yourself