你给他们一把枪，那就是祸端。

You give them a gun, and it's a recipe for disaster.

现在，爸爸妈妈有了他们争吵的祸端…

Now Mom and Dad really had something to fight over.

去年，方玄昌发表了一系列的文章质疑“肖氏程序”的效力，也许就是这个给他带来了被袭击的祸端。

Last year, Fang Xuanchang published a series of articles questioning its efficacy, which may have prompted the attacks on him.