/proʊn/
likely to suffer from sth or to do sth bad 易于遭受；有做（坏事）的倾向 SYN liable~ to sthprone to injury容易受伤Working without a break makes you more prone to error.连续工作不停歇使人更容易出错。
~ to do sth
Tired drivers were found to be particularly prone to ignore warning signs.据调查，疲劳驾车时特别容易忽视警示标志。
formal
lying flat with the front of your body touching the ground 俯卧的 SYN prostrate
The victim lay prone without moving.
受害人趴在地上一动不动。
He was found lying in a prone position.
人们发现他俯卧着。