摘要:( it happened without one knowing about it; they kept it a secret ... ) If they did it secretly, without telling you about it, they did it "behind your back". Example: "Those two went to the boss,[阅读全文]

摘要:( slow; late; old-fashioned ... ) You are behind the times when you don't know the newest things or latest fashions. Example: "My grandfather wears black socks with his shorts." Reply: "He is so[阅读全文]

摘要:After用作介词时，很易和另一介词behind混淆不清，因为它们都表示“在…之后”的意思。它们的区别有以下几点： （一）一般说来，after指时间的先后次序，意为“在…之后”（later in time than）； behind指位置的前[阅读全文]