To crater from an extreme height. Usually lethal.

从一定的高度坠落地面，通常足以致命。

youdao

While it can be lethal, the heart muscle usually recovers within six months.

虽然它也可以是致命的，但通常心脏肌肉会在6个月内恢复。

youdao

For this study, euthanasia was defined as a doctor giving an overdose of medication, usually by lethal injection, to purposely end a patient's life.

这项研究中，安乐死的定义为：一个医生给了过量的药物(通常是通过注射致死)，故意结束病人的生命。

youdao

Ivanisevic's usually lethal serve began to splutter, his first-serve percentage slipping to 50% - and the match was level with exactly an hour gone.

BBC: Ivanisevic snatches Wimbledon thriller

Usually he gave the victims a lethal injection before dropping them into the sea from the back of the plane.

BBC: graphic

Many victims know instinctively what friends and family usually don't: The most lethal time in an abusive relationship is after you leave.

CNN: Why abused women stay in bad relationships