黑马的英文：
a dark horse

参考例句：

The black horse couldn't keep up with the others.
那匹黑马追不上其他的马匹。

Will you saddle the black horse for me?
请你替我把黑马的马鞍放好，好吗?

I'll bet a dollar on the black horse
我对这黑马赌1美元。

"The football game was won by a sleeper, an unknown new player."
"足球比赛爆冷门,有一匹黑马赢球了,是一个名不见经传的新球员。"

dark是什么意思：
n. 黑暗，暗处，无知，模糊，暧昧
adj.（颜色）深的；（皮肤等）微黑的，邪恶的，坏的，无知的，蒙昧的

It was getting dark.
天色渐暗。

It was dark and eerie.
里面又漆黑又可怕。

That was a shot in the dark.
这支箭是瞎放的。

sitting in a dark corner; a dark day; dark shadows; the theater is dark on Mondays; dark as the inside of a black cat.
坐在黑暗的角落；黑暗的日子；黑暗的阴影；这家戏院星期一不开门；像在厄运里面一样黑暗。

A dark brown dog is barking in the dark park.
一只深棕色的狗在黑暗的公园里叫着。

horse是什么意思：
n. 马；骑兵，像马的东西；跳马；家伙
v. 为...备马；使骑上马；背负；鞭挞；开玩笑；调情
adj. 骑着马的，马拉的，大的，粗的，强的

It is time Eric and Bill persuaded the hors to move .
该是埃里克和比尔催马上路的时候了。

I can't play you at squash this week I'm hors de combat with a twisted ankle.
本星期我不能和你打壁球了--我的脚踝扭伤了.

To provide with a horse.
为…备马

That is a fleet horse.
那是一匹快马。

This is a juvenile horse.
这是一匹两岁的赛马。