摘自 柯林斯英语词典 上海外语教育出版社
be crazy about
crazy: 1 略
2 略
3 If you are crazy about something, you are very enthusiastic about it.
If you are not crazy about something, you do not like it.
An informal use. He’s still crazy about both his work and his hobbies.
I’m also not crazy about the initial terms of the deal.
4 If you are crazy about someone, you are deeply in love with them;
an informal use. None o fthat matters, because we’re crazy about each other.
Go through: 1 If you go through an experience or a period of time, especially an unpleasant or difficult one, you experience it.
He was going through a very difficult time.
South Africa was going through a period of irreversible change.
2 If you go through a lot of things such as papers or clothes, you look at them, usually in order to sort them into groups or to search for a particular item.
It was evident that someone had gone through my possessions.
3 If you go through a list, story, or plan, you read or check it from beginning to end.
Going through his list of customers is a massive job.
4 When someone goes through a routine, procedure or series of actions, they perform it in the way they usually do.
Every night, they go through the same routine: he throws open the bedroom window, she closes it.
5 If a law, agreement, or official decision goes through, it is approved by a parliament or committee.
The bill might have gone through if the economy was growing.
Concern: 1 略
2 If something concerns you, it worries you.
It concerned her that Bess was developinga crush on Max.
Concerned I have been concerned about you lately.
另， 牛津高阶双解词典
concerned: adj concerned (about/for sth/that…)
worried; troubled
参考资料：牛津高阶双解词典 柯林斯英语词典
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