To do what you promised to do.
Sdelat' to, chto ty obeshchal. (Sdelat' to, chto ty obeshchal.)
"He said he’d help and he’s as good as his word."
"On skazal, čto on pomozhet, i on takoy zhe, kak ego slovo." (On skazal, chto on pomozhet, i on takoy zhe, kak ego slovo.)
a person who works too much and finds it hard to stop
used to say that everything is fine or there is no problem
to look after someone and help them develop
to change your way of thinking completely
to reduce differences or improve relations
to waste time creating something that already exists