lay down

英 [leɪ daʊn]

美 [leɪ daʊn]

（通常指用完后）放下，搁下; 规定; 制定; 颁布; 放下（武器）

柯林斯词典

PHRASAL VERB （通常指用完后）放下，搁下
If youlaysomethingdown, you put it down, usually because you have finished using it.
1. Daniel finished the article and laid the newspaper down on his desk...
  丹尼尔看完文章后把报纸放在他的书桌上。
2. She laid down her knife and fork and pushed her plate away.
  她放下刀叉，推开盘子。
PHRASAL VERB 规定；制定；颁布
If rules or people in authoritylay downwhat people should do or must do, they officially state what they should or must do.
1. The Companies Act lays down a set of minimum requirements...
  《公司法》规定了一系列最低标准。
2. Taxis must conform to the rigorous standards laid down by the police.
  出租车必须遵守警方的严格规定。
PHRASAL VERB 放下（武器）
If someonelays downtheir weapons, they stop fighting a battle or war and make peace.
1. The drug-traffickers have offered to lay down their arms.
  毒贩们已同意放下武器。

verb