inclined toward;likely to do sth
lying face down
"a child prone to mischief"
We are prone to judge success by the index of our salaries.
出自： M. L. King
Many of these children are chesty, prone to colds.
A wayward bus line founded by the author's failure-prone father.
Suiting his sentiments to his audience was a fault to which James was..prone.
出自： M. Seymour