第二招 be obsessed with/by 两个介词都行。

所有跟帖： 

• 第三招 . I have to remind myself to avoid running into an extreme. -i999- ♀ (1122 bytes) () 09/04/2011 postreply 00:56:57

• 第四招，to a degree -i999- ♀ (995 bytes) () 09/04/2011 postreply 01:05:36

• You can find them in English dictionaries -EnLearner- ♀ (4109 bytes) () 09/04/2011 postreply 07:58:50

• 谢谢愚公补充的重要信息。学到了更多表达法。 -i999- ♀ (0 bytes) () 09/04/2011 postreply 08:59:10