主要内容：
▲Pandora's box to perform an action that may seem small or innocent, but that turns out to have severely detrimental and far-reaching negative consequences.
▲The Riddle of the Sphinx No. 1 : Which creature has one voice and yet becomes four-footed and two-footed and three-footed? No 2: There are two sisters: one gives birth to the other and she, in turn, gives birth to the first. Who are the two sisters?
▲Crocodile tears Mary shed crocodile tears over the expulsion of her rival, Jacob.
▲Achilles’ Heel John’ s Achilles heel was that he could not debate in front of the public while he was alone.
▲Platonic Love a type of love that is non-sexual。
▲Leo to achieve something after years of trying I feel like I’ve Leoed this morning; I finally passed my oral test.