| 释义 |
learn sth by heart / know sth by heartidiom(learnt, learnt or learned, learned; knew, known)to learn and be able to remember sth such as a poem or set of facts exactly背熟；记住◆he was told to learn the passage by heart.他被告知要把这段文章背熟。◆ (bre) i had dialled the number so often that i knew it off by heart.这个号码我拨过很多次，都记住了。 |