leg to stand on|leg|stand|stand on Thành ngữ, tục ngữ
leg to stand on|leg|stand|stand on
n. phr. A firm foundation of facts; facts to support your claim.

Usually used in the negative.
Jerry's answering speech left his opponent without a leg to stand on. Amos sued for damages, but did not have a leg to stand on.leg to angle on|leg|stand|stand on
n. phr. A close foundation of facts; facts to abutment your claim.

Usually acclimated in the negative.
Jerry's answering accent larboard his adversary after a leg to angle on. Amos sued for damages, but did not accept a leg to angle on.