put back
1．reset the hands of a clock or watch to an earlier time拨回
My watch was ten minutes too fast，and I put it back．我的表快了10分钟，我把它拨回去了。
2．put off推迟；延误
The meeting has been put back until next week．会议已推迟到了下个星期。
We had iniended to get married in April but we had to put the wedding back to September．我们原打算4月份结婚，但后来只好推迟到9月份。
The strike has put back production considerably．罢工已经大大地耽误了生产。