石胆的英文：
stone ball

stone是什么意思：
n. 岩石，石头，石料；石块，宝石，钻石；果核；英石（英国重量单位）
v. 向（某人）扔石块，用石头砸；去掉果核

Level the city stone by stone to an extinct waste.
一块石头一块石头地夷平该市，使它成为一片没有人烟的荒原。

And then he continued to dig for his son, stone by stone.
然后继续挖掘，掀开了一块一块的石头寻找他的儿子。

The lane to the garden was overlaid with stones.
通往花园的小径上铺了一层石子。

There is no give in a stone floor.
石头铺的地面毫无弹性。

The white boy stoned me.
白人男孩向我扔石块。

ball是什么意思：
n. 球；舞会
v. 成团块；捏成球形

You have no balls!
你们一点胆量都没！

The kitten tangled the ball of yarn.
猫把线团儿弄乱了。

A ball hissed by.
子弹嘶地一声飞过。

The dog had itself a ball.
狗玩得很愉快。

Do you have the balls to challenge authority?
你有挑战权威的胆量么？