by heart
US /baɪ hɑːrt/
UK /baɪ hɑːt/
成語
背誦, 熟記
learned or memorized completely
範例:
•
She knows all the lines of the play by heart.
她能把劇本的所有台詞都背下來。
•
I learned the poem by heart for the recitation contest.
我為朗誦比賽背誦了這首詩。