他正在训练跳水。
tā zhèngzài xùnliàn tiàoshuǐ 。
He is training for diving.
跳水是一项很有挑战性的运动。
tiàoshuǐ shì yīxiàng hěnyǒu tiǎozhàn xìngde yùndòng 。
Diving is a very challenging sport.
我喜欢观看跳水比赛。
wǒ xǐhuān guānkàn tiàoshuǐ bǐsài 。
I enjoy watching diving competitions.