noun · to brand livestock or objects; a physical mark or stamp made with a branding iron

牧民在每头小牛身上都打上了所属牧场的烙印。

noun · to leave a deep and lasting mark or impression on the mind, memory, or character

童年的贫困经历在他的人格中留下了深刻的烙印。

noun · a mark of disgrace or shame; to stigmatize someone or something

在当时，进过监狱的人会被社会打上难以磨灭的烙印。