Myth:
The pin of a grenade can be pulled out with one's teeth.
Truth:
The person would have no teeth afterwards, and the grenade would still have a pin.
pin [pɪn] штырь, штифт, чека
grenade [grɪˈneɪd] граната
with one's teeth - чьими-либо
teeth [tiːθ] зубы
afterwards [ˈɑːftəwədz] потом, затем