磨刀
河床铺石

[ noun ]
the act of pelting with stones; punishment inflicted by throwing stones at the victim (even unto death)
<noun.act>

Stone \Stone\, v. t. [imp. & p. p. {Stoned}; p. pr. & vb. n.
{Stoning}.] [From {Stone}, n.: cf. AS. st?nan, Goth.
stainjan.]
1. To pelt, beat, or kill with stones.

And they stoned Stephen, calling upon God, and
saying, Lord Jesus, receive my spirit. --Acts vii.
59.

2. To make like stone; to harden.

O perjured woman! thou dost stone my heart. --Shak.

3. To free from stones; also, to remove the seeds of; as, to
stone a field; to stone cherries; to stone raisins.

4. To wall or face with stones; to line or fortify with
stones; as, to stone a well; to stone a cellar.

5. To rub, scour, or sharpen with a stone.