如果你真的击得很重，打得很远，它就会过界。
If you hit it really hard and a long way, it goes over the boundary.
如果你不想伤害别人，你就不要过界。
Even if you mean no harm at all, you could still overstep someone's boundaries.
某种能让你知道什么时候下你过界了的规则。
Some kind of a guide that could tell you when you've crossed the line.
有一位智者曾经说过：一花一天国，一沙一世界。
A wise man once said: spend a day, a world in one grain of sand.
要过许多年，自然界才能恢复平衡。
It will be many years before nature can restore its balance.
但我们从未在自然界观测到这一点，也从未在实验室里实现过。
This is something that has never been observed in nature or produced in a laboratory.
但我们从未在自然界观测到这一点，也从未在实验室里实现过。
This is something that has never been observed in nature or produced in a laboratory.
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