I watched your videos.

我看了你的录像

I'm trying to match your stroke rate.

我想追上你的划水频率

My stroke rate won't work for you.

我的划水频率对你没用

Because you're taller than me?

因为你比我高吗

No, it's not the height, it's your ratio.

不 这和身高没有关系 是身材比例

Of what to what?

什么比什么

Well, what's your Ape Index?

你的猿指数是多少

My what?

我的什么

Stand up against the locker,

站在储物柜旁

touch the floor with your middle finger.

用中指碰到地板

Okay, now reach up with your other hand

现在伸出另一只手

and stretch out as far as you can.

尽可能的伸展

Now stand up with your back against the locker.

现在背靠储物柜

It's about 3 inches.

大概三英寸

Your Ape Index is negative three.

你的猿指数是负三

Should I be taking something for that?

所以我要注意什么吗

No, no, it just means that your reach

不不 这只是说你的臂展

is 3 inches less than your height.

比你的身高短三英寸

So?

所以呢

So if you don't have long arms,

所以如果你的臂展不够长

don't copy swimmers who do.

就不要学习那些长臂的游泳运动员

Emily has great arms.

艾米丽的胳膊长度非常好

For swimming.

对游泳来说

Just adjust your stroke rate.

调整你的划水频率就好了

Did you two spend a lot of time together?

你们俩经常在一起吗

Training?

一起训练

重点解释：

1.try to 设法, 尽力

例句：They should try to keep prices from rising.

他们应该设法阻止价钱上涨。

2.as far as 就 ... 而言；远到...

例句：As far as I know, he is kind.

就我所知，他人不错。

3.stretch out 伸出； 伸长

例句：The days stretch out in an endless vista.

时日在无穷的展望中延展着。