Dangerous

If you’re doing dangerous work on a platform that’s held together by screwed in bolts, then your life is hanging by a thread.
Deep sea diving is so dangerous.
I just can’t fathom it.
A dangerous surge of electricity walks into a bar. The barman says, why the long phase?”
What's green and dangerous?
A frog with a hand-grenade.
Isn't it dangerous to use your entire vocabulary in one sentence like that?
What do you call dangerous amounts of precipitation?
A rain of terror.