Again and again the test met with no success.

这试验遭到失败。

Sumless conflict again and again inside my body.

身体顿时内部在疯狂冲击。

My socks have been darned again and again.

我的袜子已经了。

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的态度,所以失败了次又次。

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

大部分的写作与修改工作都是他自己完成的, 并修改了主要的段落。

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

当我喂我狗过的生食的时候，我也经历过同样的事情。

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的前进前辈科技，次又次挑战这个微观世界的物理定律。