before 的反義詞是：

　　later: 在后

　　中文解釋：

　　] 全球發(fā)音 跟讀 口語(yǔ)練習(xí)prep. 在…之前，先于

　　adv. 以前;在前

　　conj. 在…以前;在…之前

　　短語(yǔ)說(shuō)說(shuō)：

　　Before Class 上課前 ; 課前 ; 上課之前 ; 做好課前

　　Before service 售前服務(wù) ; 售前辦事

　　than before 比以前 ; 前比

　　詞典百科：

　　1.PREP If something happens before a particular date, time, or event, it happens earlier than that date, time, or event. 在 (某日、某時(shí)、某事件) 以前

　　例：Annie was born a few weeks before Christmas.

　　安妮在圣誕節(jié)前幾個(gè)禮拜出生。

　　2.Before World War II, women were not recruited as intelligence officers.

　　二戰(zhàn)前，女性不被征募為情報(bào)官。

　　3.CONJ If a particular situation has to happen before something else happens, this situation must happen or exist in order for the other thing to happen. 在 (某事發(fā)生) 之前 (另一情況必須發(fā)生)

　　例：There was additional work to be done before all the troops would be ready.

　　在全軍準(zhǔn)備就緒之前還有些事情要做。

　　4.PREP If you do one thing before doing something else, you do it earlier than the other thing. 在 (做某事) 之前

　　例：He spent his early life in Sri Lanka before moving to Canada.

　　移居加拿大前，他早年生活在斯里蘭卡。

　　5.CONJ If there is a period of time or if several things are done before something happens, it takes that amount of time or effort for this thing to happen. 經(jīng)過(guò) (一段時(shí)間或努力) 才

　　例：It was some time before the door opened in response to his ring.

　　他按過(guò)門(mén)鈴后好一會(huì)兒門(mén)才打開(kāi)。

　　相關(guān)詞語(yǔ)的反義詞：

　　beforehand 的反義詞是 middle

　　beforehand 的反義詞是 middle , late