can of wormsCOMPLICATEDa very complicated situation that causes a lot of problems when you start to deal with it 极为棘手[困难,麻烦]的局面 I just don’t know what to do – every solution I can think of would just open up a whole new can of worms. 我都不知道该怎么办了——我能想到的每一个办法都会引出许多新的问题。
open ... can of worms• The prosecution could open a can of worms, since Mr Shalabai who has denied any wrongdoing had connections at every level.
→ can of worms at can2(1)