verb · to grow or sprout biological features such as hair, whiskers, or leaves

几天没刮脸，他的下巴就生出了胡须。

verb · to generate, produce, or cause something to arise such as an idea, feeling, or problem

听了他的解释，我心里反而生出了一丝淡淡的忧虑。

verb · to give birth to a child or offspring

那只老猫昨晚在仓库里生出了三只黑白相间的小猫。