(idiomatic) Hard at work.

Rich, prosperous, financially stable and comfortable.

(idiomatic, chiefly in the negative) To tell an expert how to do things.

(US, slang, rare) To do something that is impossible or very difficult, with connotations of pointlessness.

To reach by moving down or reducing. / (idiomatic) To entirely depend upon a single factor; basically, ultimately or in essence.

(intransitive, of two opponents) To confront each other decisively. / (intransitive) To attempt to face or resolve an internal contradiction or difficulty.

(idiomatic, of two or more parties, often with a prepositional phrase) to reach an agreement or settle a dispute.

(idiomatic) To lecture, berate, admonish, or hold somebody accountable for his or her actions.

back to fundamental principles

(politics, chiefly Britain) A conscious return to principles such as self-respect, decency and honesty; especially the discredited policy of the Conservative government in the 1990s.