Know sth by heart
记住,背熟,牢记在心,熟悉某事
🧩 词语组成解析
know
[no]
v. 知道;了解;认识;确信;
n. 知情;
[医] 生长激素
by
[baɪ]
prep. 在…旁边;表示方式;由于;经过;
adv. 经过;表示保留或保存时用;短暂拜访;
heart
[hɑrt]
n. 心，心脏;感情;要点;胸部;
vt. 鼓励;激励;
vi. 结心;
🗣️ 情景例句
You're right. I'll change it.
你说得对，我会把它改一下。
Our foreign trade policy has always been based on equality and mutual benefit and exchange of needed goods.
我们的对外贸易政策一向是以平等互利、互通有无为基础的。
Four hundred! That's a lot of money. But, just this once. After all, this ball is very important.
400法郎！这倒是很大一笔钱。不过，就只这么一次。要知道，这次舞会很重要啊。