can of worms a 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 — 我能想到的每一个办法都会引出新的问题。 |