What is “a tough personal situation“?

What is “a tough personal situation“?
Possibilities:
(1) No money for travel.
(2) Authority did not approve.
(3) Authority suspect that he might not return.
(4) US government did not grant hime with a visa because he revoked US citizenship.
(5) Family matter.
...

It is odd!

所有跟帖： 

• 猜想可能是与申请一笔grant有关的事， 身不由己 -wadcChinese- ♂ (0 bytes) () 01/08/2010 postreply 06:12:07

• 咳,你的想象力太贫乏!太枯燥!当然是二奶要转正大奶不同意啦! -报社记者- ♂ (42 bytes) () 01/08/2010 postreply 07:43:03