deadly
单词辨析：
指事物（如疾病、武器等）致命的。
AIDS is a deadly disease.
艾滋病是一种致命的疾病。
The nuclear bomb is one type of deadly weapons.
核弹是致命武器之一。
强调死亡的不可避免性，多用于指疾病；还可指造成失败或毁灭性后果的。
This disease can prove fatal.
这种疾病可能会致命。
There was a fatal flaw in his program.
他设计的程序中有个致命的缺陷。
That young candidate suffered a fatal blow in the election.
那位年轻的候选人在大选中遭受了灾难性的打击。
主要指伤口等致命的，或情况非常危急的。
He received a mortal wound in the final battle.
他在最后一次战斗中受到了致命的重伤。
Our hotel is in mortal danger.
我们的酒店岌岌可危。
相关例句：
She finds these parties deadly.
她觉得这些聚会无聊极了。
She took the gun and blazed away with calm and deadly accuracy.
她拿起枪，冷静地连续射击，弹无虚发。
Passive smoking can be deadly too
被动吸烟也可能会致命。
It is deadly still.
寂静无声。
This was because sex and drugs became deadly.
因为性和毒品成为致命的问题。
I was deadly sleepy.
我困极了。