can of worms
US /kæn əv wɜrmz/
UK /kæn əv wɜrmz/
1.
潘多拉盒子, 一堆麻烦
a complicated and unpleasant situation or problem that is likely to cause a lot of trouble
:
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Opening up that old dispute would be opening a real can of worms.
重提那场旧争端将是打开一个真正的潘多拉盒子。
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I don't want to open a can of worms by discussing that topic.
我不想通过讨论那个话题来打开一个潘多拉盒子。