dead和deadly的区别：中文含义不同、词性不同、用法不同。dead可作名词、形容词和副词，含义为“死去的”、“过时的”、“已废弃的”、“停滞的”、“死者”、“完全地”、“极度”；deadly可作副词和形容词，含义为“致命的”、“十足的”、“非常”。

dead可作形容词、名词和副词，意为死去的;死的;失去生命的;枯萎的;不再有人相信(或争取);死;死人;死者；完全地;全然地;确实地;非常;绝对;极度。

例句：He was shot dead by a gunman outside his home.

他在家门外被持枪歹徒开枪打死。

Many believe the peace plan is dead.

许多人认为和平计划已成泡影。

Is the Western a dead art form?

西部电影这种艺术形式过时了吗？

There were two dead bottles of wine on the table.

桌子上有两个空酒瓶。

Suddenly the phone went dead .

电话突然没声音了。

My left arm had gone dead .

我的左胳臂已经麻木了。

His usually dead grey eyes were sparkling.

他那平日冷漠的灰眼睛突然亮了起来。

The dead and wounded in that one attack amounted to 6 000.

仅那一次进攻就死伤达6 000人。

He's dead against the idea.

他坚决反对这个想法。

The instructions are dead easy to follow.

这些指令很容易执行。

deadly可作形容词和副词，意为致命的;(可能)致死的;极度的;十足的;彻底的;非常有效的;无法防御的;枯燥的；极其;非常。

例句：The cobra is one of the world's deadliest snakes.

眼镜蛇是世界上毒性最剧烈的蛇类之一。

We sat in deadly silence .

我们默不作声地坐着。

It was the deadly striker's 11th goal of the season.

这是杀手前锋本赛季的第11个进球。

The lecture was absolutely deadly.

那场讲座简直无聊透了。

Broadcast news was accurate and reliable but deadly dull...

新闻广播准确可靠但却非常枯燥。