A preacher is buying a parrot。“Are you sure it doesn't scream，yell，or swear？”asks the preacher。“Oh absolutely。It's a religious parrot。”the storekeeper assures him。“Do you see those strings on his legs？When you pull the right one，he recites the lord's prayer，and when you pull on the left he recites the 23rd Psalm。”
“Wonderful！”says the preacher，“But what happens if you pull both strings？”“I fall off my perch，you stupid fool！”screeches the parrot。
一位牧师在买鹦鹉，他问：“你确定他不会尖叫、大喊或骂人吗？”店主保证说：“当然。这是一只信教的鹦鹉。你看到它脚上的环儿没？”你拉下右边的环儿，它就会背诵主的祷告词。你拉左边的环儿，它就会背诵《第23赞歌》。
牧师说：“太好啦！但是如果我两只环儿一起拉会怎样呢？”鹦鹉尖叫道：“那我就从我站的地方掉下去啦，你这个蠢货！”
1.preacher n。传教士，牧师，鼓吹者
The preacher preached to the teacher's teacup。（传教士对着老师的茶杯说教。）
2.swear v。发誓，咒骂，诅咒
They refused to swear on the Bible。（他们拒绝手按《圣经》发誓。）
3.perch n。杆，栖木，高位
An eagle found a perch on the rock。（一只老鹰在岩石高处落脚。）
1.fall off 跌落，减少，下降
Hold on to the handle，or you might fall off。（抓紧把手，不然你可能会掉下去。）