輕舉妄動

Not heavy; easy; gentle; soft; to make light of; to disparage; unimportant; small in number; unstressed.

To lift or raise something; to cite or enumerate; to propose or put forward; to act or perform; to elect or recommend; to fly or take off.

Presumptuous; reckless; absurd; fantastic; groundless; false; arrogant; acting improperly; arrogant.

to move or change position; to stir or act; to touch or affect; to use; to start or initiate; to eat; often or usually.