"know by heart" in Chinese (Traditional)

• 熟記於心
• 背得滾瓜爛熟

Definition

完全記住某事，可以不用看就能背誦或使用；對某事滾瓜爛熟。

Usage Notes (Chinese (Traditional))

適用於正式和非正式場合，通常指背誦課文、數據、詩歌等。不要直譯為“用心知道”；常見表達有“背下來”、“熟記於心”。

Examples

I know by heart all the words to that song.

我把這首歌的所有歌詞都**背得滾瓜爛熟**。

He can know by heart the whole poem.

他能把整首詩**背得滾瓜爛熟**。

Do you know by heart your address?

你**熟記於心**你的地址嗎？

After so much practice, she knows by heart every dance step.

反覆練習後，她已把每個舞步都**背得滾瓜爛熟**。

You should know by heart your emergency contact number.

你應該**熟記於心**你的緊急聯絡電話。

He recited the speech as if he knew it by heart.

他背誦演講稿時，就像已經**背得滾瓜爛熟**一樣。