You can't have it both ways.

(intransitive, idiomatic) To behave inconsistently; to vacillate or to waver, as between extremes of opinion or emotion.

It is easy to get money from foolish people. / It is difficult or unlikely that foolish people maintain their hold on acquired wealth.

(idiomatic) Between two dangers.

(idiomatic) Periods of positive and negative events, moods, or interactions; highs and lows. / Undulations.

(Britain, idiomatic) Everybody; too many people; a huge crowd.

A monochrome system of transmitting and receiving television signals. / A television set that displays only monochrome images.

To drive a motor vehicle shortly after having consumed an alcohol beverage or beverages.

(idiomatic) To seek to have two things which are mutually incompatible (such as eating a piece of cake and yet still possessing that piece for future use).

A path of honesty; procedure according to rules and plans.