- a fiendish problem
- 的: 4次方是 The fourth power of 2 i ...
- 难题: difficult problem; a hard nu ...
- 恶的难题: evil problem (of
- 狗的难题: the dog problem
- 极大的: a world of; enormous; galactic; immense; incomputable; infinite; maximal; maximum; measureless; mighty; swingeing; towering; tremendous a. very great in size, amount, or degree; unbounded
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