/daʊn ||; daυn/adv prep1 to or at a lower level or place; from the top towards the bottom of sth 向下；在下面；由顶部到底部: Can you get that book down from the top shelf? 给我把书架顶层上的那本书拿下来，好不好？‘Where's Mary?’ ‘She's down in the basement.’ “玛丽在哪儿？”“她在地下室里。”Her hair hung down her back. 她的头发垂在背后。The rain was running down the window. 雨水顺着窗子往下流。
2 along 沿着；顺着: We sailed down the river towards the sea. 我们的船沿河而下，驶向大海。‘Where's the nearest garage?’ ‘Go down this road and take the first turning on the right.’ “最近的修车厂到哪儿找？”“打这条路走，在第一个拐角处向右拐便是。”
3 from a standing or vertical position to a sitting or horizontal one 坐下；躺下: I think I'll sit/lie down. 看来我得坐下来╱躺下来。
4 to or in the south 向南方；在南方: We went down to Devon for our holiday. 我们南下德文郡度假去了。
5 used for showing that the level, amount, strength, etc of sth is less or lower （表示某事物的程度、数量、强度等降低）: Do you mind if I turn the heating down a bit? 我想把暖气的温度调低点儿，行吗？
6 (written) on paper （写）在纸上: Put these dates down in your diary. 把这些日期记在日记簿上。
7 down to sb/sth even including 甚至包括: We had everything planned down to the last detail. 我们一切计划就绪，连每个细节也不遗漏。
be down to sb to be sb's responsibility 成为某人的责任:
When my father died it was down to me to look after the family's affairs. 爸爸死后，我负起了照顾家庭的责任。 be down to sth to have only the amount mentioned left 只剩下某个数量:
I need to do some washing -- I'm down to my last shirt. 我要洗洗衣服，我只剩下最后一件干净衬衣了。 down and out having no money, job or home 穷困潦倒；没有钱、没有工作、没有住处
down under(
informal 非正式) (in) Australia （在）澳大利亚