to do what you promise to do
sdelat' to, chto obeshchayesh' sdelat' (sdelat' to, chto obeshchayesh' sdelat')
"You can trust him; he always keeps his word."
"Ty mozhes' doverit'sya emu; on vsegda derzhit svoe slovo." (Ty mozhes' doverit'sya emu; on vsegda **derzhit svoe slovo**.)
to gain someone's confidence through actions
to admit that you have done something wrong
to combine one thing with others
to have a complaint or disagreement with someone
to impress or amaze someone with beauty or charm
to have a role or influence in something