sit on the fence
To remain neutral, to refuse to take sides in a dispute; often used in a derogatory way about someone who lacks the courage to decide: “The councilman is afraid he'll lose votes if he takes sides on the zoning issue, but he can't sit on the fence forever.”
Words nearby sit on the fence
sit by,
sit down,
sit in,
sit on,
sit on one's hands,
sit on the fence,
sit out,
sit over,
sit pretty,
sit spin,
sit through