I laughed fit to kill when his company went bankrupt.

他的公司破产，笑死我了。

youdao

I was fit to own the Elder Wand, and not to boast of it, and not to kill with it.

我适合拥有老魔杖，而且不能夸耀它，也不能用它杀人。

youdao

The amount of ricin that can fit on the head of a pin is said to be enough to kill an adult if properly prepared.

WSJ: 'The perfect poison': Ricin used in 3 recent cases

So Zia Audin, in a fit of adolescent pique, did what came naturally he tried to kill us.

NPR: Sergeant Notes Odd Rituals of War in Afghanistan

So are the folks at Kill Screen -- so much so, they've seen fit to host a 10-day competition to coax OUYA compatible game prototypes out of the development community.

ENGADGET: OUYA and Kill Screen announce CREATE Game Jam, bait developers with $45,000 in prizes