He started walking without looking back.

他头也不回地走了起来。

youdao

It is true in life that if we just keep going forward without looking back, we are more likely to reach our goals.

在生活中，如果我们只是勇往直前而不回头，我们更有可能实现我们的目标。

youdao

The boy would then fall to the grass, get up, without looking back at his mother, run as fast as he could, again, still with a smile on his face, as if nothing had happened.

然后，小男孩摔倒在草地上，再爬起来，不回头看他的母亲，再一次以最快的速度跑起来。他的脸上仍然挂着微笑，好像什么也没发生过。

youdao

where one person is, in a sense, ] seeing another without being seen.] She was starting down, Looking back over her shoulder at some fear.

某种意义上来说，这就是一个人看着，另一个，不被看到的时候],她想下来，转过头惊恐地望着下面。

耶鲁公开课 - 现代诗歌课程节选

Once I heard that, I knew he must be mistaken and went back to writing without looking back up.

FORBES: Edgefield Federal Prison, Sept 11, 2001

Finally, commit to that job for at least a year without looking back.

WSJ: Ask Ariely: Dan Ariely on Where to Eat Lunch and Work

When you find a platform that works, extract every ounce of value and be willing to abandon it without looking back.

FORBES: New Study Predicts Ten Years of Staggering Change. Will Everything You Know About Marketing Soon Be Worthless?