by heart

短语

凭记忆, 记住

发音

UK /baɪ ˈhɑːt/
US /baɪ ˈhɑɹt/
AU

别名

off by heart

释义与例句

phr.
  1. 1.

    From unaided memory and in full detail.

    靠记忆

    to learn something by heart

    to know something by heart

    He used to live in that town, and he still knows all the streets by heart.

词源

From Middle English by herte. Compare French par cœur (literally “by heart”), of which the English may be a calque.

来源：wiktionary