Open up 表示开始坦诚谈论个人经历和感受。倾诉对象放在 to 后，话题放在 about 后：open up to a friend about a problem。第二个意思是创造新的机会：open up opportunities。
想在对话中用 open up 吗？
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open up (to + person) (about + topic); open up + opportunities/a market; open something up to + people
- During the long train journey, my dad opened up about his childhood in a small village.
- Learning English opened up new job opportunities for me in international companies.
修改原因
修改前It was months before my new flatmate opened to me about her family.
修改后It was months before my new flatmate opened up to me about her family.
Opened to me 看起来似乎能表示向我吐露心声，但 open 单独使用通常是打开门、窗或文件。原句谈信任与坦诚，需要 open up，因此修改时补上 up。
如果 open up 后接的不是倾诉对象，而是 opportunities、a market 或 a region，就可能是“使之可获得、开放”的含义：The new airport opened up the region to tourists。这里不再谈感受，而是在说新的机会。
动手练习
Tom rarely talks about himself, but last night over dinner he finally ___ about his divorce.
查看答案
opened up — Tom 平时很少谈个人经历，这次却终于谈起离婚，表达这种坦诚交流要用 opened up。Opened 单独放在这里缺少合适的对象，不能直接接 about his divorce 表示倾诉。
回想一次有人意外地向你敞开心扉的谈话。说明对方是谁，以及谈了什么。
On our last business trip, my usually quiet manager opened up to me about her plans to move abroad.
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