He dived in and hit his head on the bottom.

他跳进水里，头撞到了池底。

《牛津词典》

He dived in after her without a second thought.

他不假思索地随她跳入水中。

《牛津词典》

He dived in to save the dog at considerable risk to his own life.

他冒着相当大的生命危险跳到水里去救那只狗。

《牛津词典》

Scratch So, we looked last week at Scratch, very briefly, but hopefully you found if you've dived in already that the interface is fairly intuitive and it really just allows you to implement ideas that you conjure up in your mind.

我们上周非常简略地提到了，不过我希望你们热切的投入了进去了,那个界面是相当直观的,相信我，这真的可以让你实现你,大脑中的构想。

哈佛公开课 - 计算机科学课程节选

So, not surprisingly in this game, it turns out that if the goalie dived to the left you're best off shooting to the right, second best off shooting to the middle, and worst off shooting to the left.

因此毫无争议地说,如果门将扑向左路,你最好选择从右路射门,其次是从中路射门,最差的选择是从左路射门

耶鲁公开课 - 博弈论课程节选

The Swiss have also dived in to ward off further appreciation of their franc.

FORBES: Here Come the Currency Battles

As the industry nose-dived in 2001, he slashed the workforce at Boeing Commercial from 120, 000 to 50, 000.

ECONOMIST: Face value

Helped by a friend who had dived in after him, Whalen clambered back on deck, still attached to the fish.

FORBES: The Young Man And the Sea