他向前走了两步。
He was asked to take two steps forward.
他被要求向前走两步。
Take two steps forward and two steps back.
向前跨两步，再向后退两步。
For every two steps forward, it often feels we take one step back.
每向前迈两步，给人的感觉往往是还要往后退一步。
Two steps forward, one step back.
3前进两步，后退一步 。
Two steps forward, one step back.
3前进两步，后退一步 。
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