As a noun:
* The chess player opened with a daring gambit, sacrificing a pawn for an early attack. (Here, "gambit" refers to a strategic move in chess.)
* His opening line was a clever gambit, designed to catch the interviewer off guard. (Here, "gambit" refers to a strategy used to gain an advantage.)
* The politician's promise of lower taxes was a political gambit to attract voters. (Here, "gambit" refers to a risky maneuver, often in a political context.)
As an adjective:
* The writer employed a gambit plot twist, surprising the reader with an unexpected revelation. (Here, "gambit" describes a sudden and surprising change, usually in a story.)
* His gambit attempt to climb the mountain solo was both daring and reckless. (Here, "gambit" describes a bold and risky action.)
Remember that "gambit" can be used in various contexts, but always implies a calculated move, often with an element of risk.