科瑞莱蒸发式冷气机:求救！三个英语词组的英英解释

1、be crazy about = be possessed by enthusiasm or excitement for / be itensely involved or preoccupied for

2、go through
Verb
http://www.thefreedictionary.com/go%20through
1. go through - go or live through;
2. go through - apply thoroughly; think through;
3. go through - go across or through;
4. go through - eat immoderately;
5. go through - pursue to a conclusion or bring to a successful issue;

3、 be concerned about =be ANXIOUS about =be WORRIED about

be crazy about： wildly excited；enthusiastic
go through：(of a law,bill,etc)be officially approved or accepted； be successfully completed
be concerned about：be worried about，be troubled about

be crazy about=be enthusiastic about
go through=undergo, review
be concerned about=be worried about

be crazy about=be driven nuts
go through= get over
be concerned about= be care about
翻得比较俚语了点， 呵呵

Here is the perfect answers for your askings:
crazy about, be

Also, be mad about. Be immoderately fond of or infatuated with, as in I'm crazy about lobster, or George is mad about his new saxophone. The first expression dates from the early 1900s. The second, with mad, is much older; Shakespeare had it as mad for in All's Well That Ends Well (5:3): “madde for her”; and mad about was common by the mid-1700s.

go through

Examine carefully, as in I went through all the students' papers. [Mid-1600s]
Experience, undergo, suffer, as in We went through hell trying to find an answer. [Early 1700s]
Perform; also, rehearse for performance. For example, I went through the sonata in ten minutes, or Let's go through the third act again. [Mid-1700s]
Use up, complete, as in The children went through all the milk we bought in one day. [Mid-1900s]
Succeed, be approved, as in I'm sure this new deal will go through. [Late 1800s]
go through with. Complete, carry out, as in They got engaged last year, but I'm not sure they'll go through with the wedding. [Mid-1500s]

the last one is Interested and involved: sent a memorandum to those concerned.
Anxious; troubled: the concerned parents of youthful offenders.