胆小鬼的英文：
coward
a yellow dog
chicken
craven
piker
poltroon
scaramouch
sook

参考例句：

Jack is a chicken guy, who dare not make a solid move at anything.
杰克是个胆小鬼,干什么事都缩手缩脚。

On the battlefield such a coward like him would surely lie down and curl up.
在战场上，像他那样的胆小鬼肯定会吓瘫倒的。

I don't give a damn for those cheap skates and cowards in the gallery.
看台上的那些自私自利的胆小鬼，我一点也不把他们放在眼里。

"Do you think you are engaged with a pygmy like yourself?"
“你以为你的对手是一个象你一样的胆小鬼吗？”

The timid never amounts to a great man
胆小鬼从来成不了伟人。

She insulted him by calling him a coward.
她辱骂他是个胆小鬼。

Miss Tan is a chicken and she isn't willing to take risks.
谭小姐是个胆小鬼，她不愿意冒险。

Cowards always quail before the enemy.
在敌人面前, 胆小鬼们总是畏缩不前的。

Then your will look like a sneaky coward as well.
这样你就会看上去像卑鄙的胆小鬼。

The brave are merciful; cowards do not dare to forgive their enemies.
勇敢者仁慈宽大，胆小鬼不敢饶恕敌人。

coward是什么意思：
n. 胆小鬼，懦夫
adj. 胆小的，懦怯的

Cowards are cruel
懦夫不仁

Despair gives courage to a coward.
人急造反，狗急跳墙。

The father is portrayed as a coward in this play.
父亲在这部戏剧里被描写成一个懦弱的人。

yellow是什么意思：
adj. 黄色的，黄的；黄皮肤的；胆怯的
n. 黄色，黄
v. （使）变黄

daffodil yellow
水仙黄色|淡镉黄

A pale orange yellow to grayish yellow or yellowish gray.
浅橙黄色到浅黄灰色或浅灰黄色。

Several different yellows(ie shades of yellow)in the paintbox
颜料盒中有几种不同色调的黄色.

dog是什么意思：
n. 狗；家伙
v. 跟踪，追踪

Is this dog trained?
这狗受过排便训练吗？

As faithful as a dog.
像狗一般的忠诚。

In the dog　house
窘迫,陷入困境