Even in Finland's more abundant forests, life is fraught without certainty.
即使在芬兰更富饶的森林里，生命的不确定性也令人忧伤。
The mother bear and her three young cubs face potentially lethal threat.
熊妈妈和它的三个宝宝面临潜在的致命威胁。
An adult male is far too close for comfort.
一头成年公熊靠得太近令它们非常不安。
She's trying to put some distance between him and her cubs.
它努力保持孩子和公熊之间的距离。
Bear fights can be deadly.
熊之间的对抗可能会有致命伤害。
But a mother will fight to the bitter end to protect her cubs.
但是母熊为了保护幼崽会不顾一切对抗到底。
She needs to be sure this male is no danger to her young.
它要确信公熊对孩子们没有威胁。
Last year, she may have mated with numerous males.
去年，它可能和不同的雄性交配过。
If he thinks he's the father, he won't attack the cubs.
如果这头公熊认为自己就是小熊们的父亲，它就不会攻击它们。
It appears her efforts have paid off.
似乎它的努力没有白费。
This male could well be one of her previous suitors and a possible father.
这头公熊很可能是之前的追求者，很可能就是孩子的爸爸。
He's certainly not interested in attacking them.
它显然不想攻击它们。
He just wants to feed in peace.
只想安静地吃东西。

One last warning, and she's satisfied that he poses no threat.
最后一次警告这次，它确信了公熊并无敌意。
For the cubs, this first brush with danger is just a hint of the challenges ahead.
对小熊们来说，此次与危险擦肩恰恰暗示了未来的各种挑战。
They will remain with their mother for as long as three years,
它们将和妈妈一起待三年，
mastering the survival skills needed in the forest.
领会森林中所需的各种生存技能。