原文视听

Hard to say what's going on.
很难说现在是怎么回事
Were there five that time?
刚才是有五只吗
They're kind of moving around, coming up and under and over.
它们只是游来游去 在海平面上上下下
Hopefully, something's starting to happen.
希望赶快有什么进展
Maybe love's in the air?
说不定爱苗已经在滋长了
Love may be in the air, but it isn't in the water.
爱苗也许已经在滋长 但是可不是在水底
Despite keeping tabs on the whales over the next ten days,
接下来十天 除了继续监看这些鲸鱼
there was still no sign of a heat run starting.
还是没有开始求偶竞逐的迹象
You'd think it'd be quite easy to keep track of a 40-tonne animal.
你会以为追踪 四十吨的动物蛮简单的
And we've got six of them out here, and we keep losing them.
这里还有六只 但是跟丢的越来越多
One minute they're there, we get up reasonably close,
它们一下子在那里 我们赶紧靠近
and within 30 seconds, they've dived and they're gone again.
过三十秒它们又潜下去跑掉了
And then it takes another maybe five minutes, ten minutes,
然后再过五或十分钟 它们又浮出水面
and then they'll come up again and they'll be 300 yards away,
可是却在三百码的距离之外
and it takes ages just to get close to them.
我们又要花老半天再靠近它们
So we're just playing a continuous game of cat and mouse.
一直在玩猫捉老鼠的游戏
Cat and mouse? It's whales.
猫捉老鼠 这可是鲸鱼耶

重点解释

They're kind of moving around, coming up and under and over.它们只是游来游去，在海平面上上下下

up and down:上上下下； 来回

The lion paced restlessly up and down in its cage.

狮子在笼子里不安地来回走动。

You'd think it'd be quite easy to keep track of a 40-tonne animal.你会以为追踪四十吨的动物蛮简单的

keep track:通晓事态, 注意动向

He reads the newspapers to keep track of current events.

他阅读报纸以了解时事。

We have to keep track of every cent we spend.

我们得记下我们花的每一分钱。

One minute they're there, we get up reasonably close,它们一下子在那里，我们赶紧靠近

get up:变得猛烈；筹备

The wind is getting up.

风越刮越大。

We're getting up a party for her birthday.

我们要给她开生日庆祝会。

then they'll come up again and they'll be 300 yards away,可是却在三百码的距离之外出现

come up:出现

The flowers are just beginning to come up.

花刚开始长出地面。