conj 直到，到……为止(才)，在……之前(不)(up to the time that;before;to the point that)：I watched him～he disappeared from sight in the distanec. 我望着他消失在远方。The material was stretched～it was 50 cm long. 这种材料一直被拉长到50厘米。Give him no definite answer～I've seen him. 在我见到他之前，不要给他明确答复。It's a gripping story and one can't put it down～one has finished reading it. 这是个扣人心弦的故事，不看完你是不会放下的。I didn't reach the station～after the train had left. 火车已经开了，我才到达车站。U～she uttered a word I hadn't realized she was Japanese. 直到她开口说话，我才意识到她是个日本人。It was not～I saw Margaret，however， I felt happy next morning. 然而直到第二天早晨我见到玛格利特，才感到轻松愉快。It was not～I read your letter that I understood the true state of affairs. 直到读了你的信我才了解真相。They will fight～they have overthrown the capitalist system. 他们将一直战斗到把资本主义制度推翻。

prep 在……之前，一直到，到……才(before a specified time;up to as late as)：～now/then到现在/那时;They talked on～one o'clock in the morning. 他们交谈到凌晨1点。They sat in class～recess. 他们上课到休息时间。I was in New York～recently. 最近我一直在纽约。 I stayed there～late. 我在那里待到很晚。Towards six o'clock， negotiations adjourned～the next day. 将近6点钟时，谈判暂停，待第二天再继续进行。There was a beautiful Mozart concert on the radio from six～seven. 从6点到7点播放优美动听的莫扎特广播音乐会。He lived at home～soon after his father's death. 父亲去世之前，他一直住在家;父亲一死，他就离开了。I never～yesterday spoke of it to anybody. 直到昨天，我从未向任何人透露过。Corn planting in some areas was not completed～mid-June. 某些地区玉米播种到6月中旬才结束。It was not～late afternoon that they began to tackle the major problem. 直到将近傍晚，他们才开始讨论主要问题。