合上步伐,步调一致起来
fall into step (beside / with sb)
(和某人)合上步伐,步调一致起来
to change the way you are walking so that you start walking in the same rhythm as the person you are walking with
He caught her up and fell into step beside her.他赶上她,跟着她的步子往前走。
释义来自《牛津高阶英汉双解词典》第 9 版