soon /su:n/ adv. 1.不久：We shall start very soon. 我们很快就要出发。 He arrived soon after six. 6点刚过他就到了。2.早，快：We reached the station one hour too soon. 我们早到车站一小时。 How soon can you be ready? 你什么时候能准备好? The sooner you begin, the sooner you’ll finish.开始愈早结束愈早。 3.用于习语 as soon as 一…就…： Come here as soon as you finish the work. 工作一结束，你就到这里来一次。no sooner…than 一…就…： I had no sooner(or No sooner had I) reached home than it began to rain. 我刚到家天就下雨了。sooner or later (= soon or late)迟早：Sooner or later she was going to awake anyhow. 总之，她迟早会觉悟过来的。would (just) as soon/would sooner do sth.宁愿做某事（见would条）