笑柄的英文：
a standing joke
byword
jest
joke
laugh stock
laughingstock
mockery
pillory
ridicule
scoff

参考例句：

I was the butt of their jokes.
我是他们的笑柄。

The byword of the town
镇上的笑柄

An object of ridicule; a laughingstock.
嘲笑的目标;笑柄方.

He's the joke of the whole village.
他是全村的笑柄。

It has become the laughingstock of the town
这已成为全城的笑柄。

He was the scoff of the town.
他成为全城的笑柄。

His ignorance is a proverB.
他的无知已成笑柄。

He made himself the laughingstock of the town.
他成为镇上的笑柄。

Make a laughingstock of sb.
使某人成为笑柄

This made him the laughingstock of the whole school
这使他成为全校的笑柄。

standing是什么意思：
adj. 长期（有效）的；直立的；固定的；常设的
n. 地位，名声；持续时间；名次表；支持率
v. stand的ing形式；站立

Stand for governor
做州长候选人

The business is at a stand.
业务陷入停顿状态。

a standing army
常备军,5. 固定的,不能移动的,6. 【印】(版面)排好后保留的,n.1. 站立[U]2. 站立处[C]3. 身份;地位;名望[U]4. 名次表[P]5. 持续时间[U]

joke是什么意思：
n. 玩笑，戏谑；笑柄，笑料；轻松的事
v. 开玩笑；开...的玩笑，戏弄

But it is no joking matter.
但这可不是开玩笑的事儿。

It was a joke, of course, but surely a rum sort of joke?
这当然是个玩笑，但是这个玩笑也太奇怪了吧？

play a joke on or subject to a hoax.
开某人的玩笑或使遭受欺骗。

byword是什么意思：
n. 谚语,格言,笑柄

Twenty months later it had became a byword for weakness of will
二十个月之后，它却成了意志软弱的绰号。

His name became a byword for excellence in Saskatchewar hunting circles
他的名字在萨斯喀彻温河狩猎区成了优秀(猎犬)的别名。

His name became a byword for excellence in Saskatchewar hunting circles.
他的名字在萨斯喀彻温河狩猎区成了优秀（猎犬）的别名。