汤姆小心地前后移动他的刷子，然后后退一步看。
Tom moved his brush carefully backwards and forwards and stepped back to look.
汤姆挣扎了一会儿，然后退场，被彻底打败了。
我护送那位年长的女士到收银台排队，然后退了回去，在那位年轻女士的旁边徘徊。
I escorted the older woman to the queue at the cash register and then stepped back and lingered near the younger woman.
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