词组 | push back |
释义 | push back 1. push sth back • push back sth usually passive to deliberately delay an event, date, project etc that has already been arranged, usually because people are not ready for it, or other things are more important: ▪ The start date for the talks has now been pushed back to the end of the month. ■ SIMILAR TO: ↑put back, ↑put off, postpone 2. push back sth • push sth back to force an army or a crowd to move backwards from their present position: ▪ Police pushed the crowd back from the gates of the palace. ▪ By that summer, Russian forces had been pushed back as far as Moscow. 3. push back the boundaries/frontiers of sth if someone pushes back the boundaries of human knowledge or ability, they make the amount that we know or are able to do greater than it was before: ▪ Science has, by pushing back the boundaries of human knowledge, given us much that has enriched our lives. ▪ Throughout the twentieth century, we have continued to push back the frontiers of travel. |
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