Sometimes it means firewalls because it's dangerous to mingle.是什么意思？

Sometimes it means firewalls because it's dangerous to mingle.

这有时会意味要竖起一道墙,因为混合交融是很危险的.

sometimes

adv. 有时，间或，时

例句
I want to work at home on a Tuesday but as it turns out sometimes it's a Wednesday or a Thursday.
我想周二在家工作，但实际上有时却是周三或是周四。

it

pron. 它，他，正好是所需的，事实[情况]；n. <美俚>傻瓜，笨蛋，<俚>绝妙的人，理想的东西，登峰造极；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

means

n. 方法（ mean的名词复数），手段，收入，财

例句
Aggression is by no means a male-only trait.
好斗性绝非男性才具有的特征。

firewalls

n. 防火墙( firewall的名词复数 )；

例句
Sometimes it means firewalls because it's dangerous to mingle.
这有时会意味要竖起一道墙,因为混合交融是很危险的.

because

conj. 因为；

例句
5,000 people die every year because of accidents in the home...
每年有5,000人死于家中的意外事故。

dangerous

adj. 危险的；

例句
He's taking a dangerous drug: it acts very fast on the central nervous system...
他正在服用一种危险的药物：这种药物能很快影响到中枢神经系统。

to

prep. 向，朝着，到，关于，属于；adv. 朝一个方向的，到某种状态，关闭；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

mingle

vt.& vi. 混合，混淆；vi. 混进，与…交往；

例句
Go out of your way to mingle with others at the wedding...
去跟婚礼上的其他人聊聊。