Three minutes after the fire started, the house was full of lethal fumes.起火3分钟后,房子里充满了致命的毒气。
In the car the police found guns, knives, and other lethal weapons (= weapons that can kill).警察在车里找到了枪支、刀具及其他一些凶器。
A 59-year-old man was executed by lethal injection (= by having a poisonous substance put into his body) this morning.今晨一位59岁的男性罪犯被执行注射死刑。
informal That combination of tiredness and alcohol is lethal (= has a very bad effect).身体的疲劳加上酒精的作用会产生非常严重的后果。