对联的英文：
vertical written couplet usually placed along either side of a doorway
antithetical couplet
a pair of scrolls containing a poetic couplet

参考例句：

The scrolls are skillful and perfect
对联工整

It seems that this couplet doesn't count as special.
这副对联好像算不上特别。

Look at the antithetical couplet on both sides of the doorway.
你看这殿门口的对联。

I am a good accountant and I have a good bookkeeping by double-entry.
我是一个优秀的会计员，对联单记帐十分熟练。

vertical是什么意思：
n. 垂直线；垂直位置
adj. 竖的；垂直的；直立的；纵向的

vertical integration.
包括从生产到销售各个阶段的纵向联合。

Apeak: In a vertical or almost vertical position or direction.
垂直着(的);竖立着(的):处于垂直或几乎垂直的位置或方向。

vertical sweep driver
竖直扫描激励器

written是什么意思：
adj. 书面的，成文的，文字的
v. write的过去分词

There is a written protocol.
这有一个书面草案。

It is written by an obscure young poet.
这是一位不知名的年轻诗人写的。

The song is written in the key of D.
这首歌是用D调谱写的。

couplet是什么意思：
n. 对联；对句

It seems that this couplet doesn't count as special.
这副对联好像算不上特别。

Look at the antithetical couplet on both sides of the doorway.
你看这殿门口的对联。

Ending in a syntactic and rhythmic pause.Used of a line of verse or a couplet.
行尾有停顿的以句法规则和格律上的停顿而结尾的。用于一句诗行或两行诗