free diving 自由潜水

　　without carrying air tanks 不带氧气罐

　　hold one's breath 屏住呼吸

　　Free diving is a sport where people dive underwater as deep as they can without carrying air tanks, so just by holding their breath.

　　自由潜水是一项体育运动，指人们在不带氧气罐的情况下，拼尽全力潜入深水处，所以只能屏住呼吸。

　　fight against that urge to breathe 遏制呼吸的冲动

　　You have to practise fighting against that urge to breathe.你必须要练习遏制呼吸的冲动。

　　spooky怪异的

　　In the beginning it's very spooky, and yes, it's not a pleasant feeling at all in the beginning.

　　在一开始的时候，感觉很怪异，从一开始，就是一点儿都不舒服的感觉。

　　intimidating令人生畏的

　　get used to it 会习惯这种感觉

　　It's something actually quite intimidating, but after a while you get used to it and you learn to appreciate it actually that it's so quiet.

　　那种感觉想起来就令人生畏，不过，过上一会儿，你就会习惯这种感觉，开始学会享受潜水的过程，整个过程很安静。