before prep. adv. & conj
在…之前;在前;以前;
短語(yǔ)：1.before long 不久以后：
e.g. Before long ,news came that China lost the game.
不久以后傳來(lái)消息說(shuō)中國(guó)隊(duì)比賽輸了。
2.the day before yesterday ：
e.g. He went to see his grandmother the day before yesterday.
他前天去看望他奶奶了。
3.long before 很久以前。
e.g.She said she had seen the film long before.她說(shuō)很久以前就看過(guò)這部電影。
在…之前;在前;以前;
短語(yǔ)：1.before long 不久以后：
e.g. Before long ,news came that China lost the game.
不久以后傳來(lái)消息說(shuō)中國(guó)隊(duì)比賽輸了。
2.the day before yesterday ：
e.g. He went to see his grandmother the day before yesterday.
他前天去看望他奶奶了。
3.long before 很久以前。
e.g.She said she had seen the film long before.她說(shuō)很久以前就看過(guò)這部電影。