To trifle with

Related to To trifle with: English trifle
to play the fool with; to treat without respect or seriousness; to mock; as, to trifle with one's feelings, or with sacred things.

See also: Trifle

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in classic literature ?
But I can not, and must not, return among them: I have no right, now , to trifle with my health and my life.