Again and again the test met with no success.

这试验再遭到失败。

Sumless conflict again and again inside my body.

身体顿内部在疯狂冲。

My socks have been darned again and again.

袜子已经补再补了。

Again and again he rose, took a big chestful of air, and went down.

他次又次地冒出水面，吸足气再潜下去。

He failed again and again simply because he had maintained his defeatist attitude.

因为他直坚持失败主义态度,所以失败了次又次。

He had done most of the writing and rewriting himself, reworking key passages again and again.

大部分写作与修改工作都是他自己完成, 并再修改了主要段落。

I went through the same routine with my Dobe when I fed kibble and again when I fed Barf.

当喂狗吃粗磨过生食，也经历过同样事情。

Recently a few months, they already announced the advanced science and technology of a series of contractible chip dimension, the again and again challenges the physical law of this microcosmos.

在比来几个月，他们已公布了系列缩小芯片尺寸前进前辈科技，次又次挑战这个微观世界物理定律。