back 是英语中一个常用且多义的副词,在不同语境中可表示方向、位置、时间或状态的“返回”“回溯”等含义。
一、基本含义
- 向后;回原处:表示移动方向回到起点或原来的位置。
例:He walked back to the office. - 回原状;恢复:用于描述状态或情况的复原。
例:She’s back to her old self again. - 回溯(时间):表示在过去某个时间点。
例:This tradition goes back centuries.
二、常见搭配
- come back(回来)
- go back(回去)
- call back(回电话)
- pay back(偿还)
- look back(回顾)
三、注意事项
“back”作副词时通常不接宾语。若需接宾语,应使用介词短语如 “back to + 地点/状态”。
例如:
✅ He went back home.
❌ He went back home (正确,home为副词,无需to)
✅ She gave the book back to me.
❌ She gave the book back me.