fixed and not likely to change
фиксированный и маловероятно, что изменится (fiksirovannyy i maloveroyatno, chto izmenitsya)
"Our schedule isn’t set in stone yet."
"Наше расписание еще не set in stone." (Nashe raspisanie eshche ne **set in stone**.)
to make a great effort to help or please someone
to have a good relationship with someone
to give someone a chance or show them mercy
A passionate lover or a romantic man.
to suddenly start laughing loudly
to express oneself in a way that is easy to understand