That 's because scientists are still unraveling this mystery .

这是因为目前科学家还没有揭开这个谜底。

Watch for these five signs that your union may be unraveling .

需要注意这五个迹象，否则的话它可能会会瓦解的婚姻。

Things are in danger of unraveling .

一切都在解体的危险。

The man responsible for unraveling the mystery behind " ok " was an american linguist named allen walker read .

负责解开“ok”背后的秘密的人是一位叫做艾伦沃克瑞德的美国语言学家。

But that delicate balance is now unraveling .

然而，那脆弱的平衡目前正在崩溃。