Know by heart Meaning in English
expression
ˈnoʊ/ /ˈbaɪ/ /ˈhɑɹt
NOH by HART
nˈəʊ/ /bˈaɪ/ /hˈɑːt
NOH by HAAT
Definition
To remember something completely and be able to repeat or use it without looking; to have something memorized perfectly.
Usage & Nuances
Used in both formal and informal contexts, usually about memorizing facts, speeches, songs, or texts. Common collocation: 'learn by heart' (to memorize). Sometimes confused with 'know by mind', which is not idiomatic.
Spanish: saberse de memoriaPortuguese (BR): saber de corPortuguese (PT): saber de corChinese (Simplified): 熟记于心 - 背得滚瓜烂熟Chinese (Traditional): 熟記於心 - 背得滾瓜爛熟Hindi: ज़बानी याद होनाArabic: يحفظ عن ظهر قلبBengali: মুখস্থ জানা - মুখস্থ বলাRussian: знать наизустьJapanese: 暗記しているVietnamese: thuộc lòngKorean: 외우다 - 암기하다Turkish: ezbere bilmekUrdu: زبانی یاد ہوناIndonesian: hafal di luar kepala
Example Sentences
I know by heart all the words to that song.
basic
He can know by heart the whole poem.
basic
Do you know by heart your address?
basic
After so much practice, she knows by heart every dance step.
natural
You should know by heart your emergency contact number.
natural
He recited the speech as if he knew it by heart.
natural