Ask me to look back in 2010 or so.(2010年左右再回頭問我這個問題。)

Now, at the age of 46, I look back on those dreams and smile.(現在，46歲的我回首那些夢想，會心一笑。)

They did not once look back.(他們一次也沒回頭。)

When you are running, look ahead, don't look back.(跑步時往前看，別后瞻。)

Such a rich chapter it had been, when one came to look back on it all!(當一個人回顧這一切的時候，他會發現這是多么豐富多彩的一章啊！)

We asked him how the device can look back in time.(我們向他請教這臺設備如何能夠看到時光倒流。)

At the end of an iteration of work, we always look back at how we did and figure out what we can do differently next time to improve.(持續的反饋和改進：在重復工作的結束時，我們總是回顧我們是如何做的，并找出下次改進時我們可以做的不同之處。)

Whoever is being looked at, look back.(誰被看著，回看對方。)

Look back on those days when you were the little child, how many times did you try when no one was watching, or when no one was cheering?(回想一下你小時候的那些日子，在沒有人觀看或沒有人歡呼的時候，你試了多少次？)

"Let us not look back," answered Hester Prynne.(“咱們不要回頭看了，”海絲特·白蘭回答說。)