1
open up + 容器/包裹
指打开容器、包裹等封闭物。
She opened up the box carefully.
她小心地打开了盒子。
打开；开启
先理解核心含义，再看它在真实句子里的用法。
打开；开启
To open something; to become open.
She opened up the box carefully.
她小心地打开了盒子。
可指打开门、容器、店铺等。
打开。
To open.
扩大
To widen.
提出(话题等)。
To bring up (a topic etc.).
敞开心扉；分享个人信息；变得健谈
To reveal (oneself); to share personal information about oneself; to become communicative.
open up
Base
原形
opens up
3rd person
第三人称单数
opening up
-ing
现在分词
opened up
Past
过去式
opened up
Past participle
过去分词
She opens up about her feelings easily.
她轻易地吐露自己的感受。
They opened up a new store downtown.
他们在市中心开了一家新店。
He has opened up the discussion to everyone.
他已经把讨论开放给了所有人。
open up 可表示打开、开发、吐露等含义，动词部分规则变化。
After a few minutes of small talk, she opened up about her childhood.
闲聊了几分钟后，她敞开心扉谈起了自己的童年。
It took me a long time to open up to my new classmates.
我花了很长时间才向新同学吐露心声。
Opening up to a friend can make you feel less alone.
向朋友敞开心扉能让你感觉不那么孤单。
指打开容器、包裹等封闭物。
She opened up the box carefully.
她小心地打开了盒子。
引申为开辟、开创。
The new policy opened up many opportunities.
新政策开启了许多机会。
表示吐露真情、敞开心扉。
He finally opened up to his friend about his problems.
他终于向朋友吐露了自己的问题。
医学用语，指切开。
The surgeon opened up the patient's chest.
外科医生切开了病人的胸腔。
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Revisit a common error or keep this word in your review list.
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.