放下的英文：
lay down
put down
let go
release

参考例句：

The enemy was forced to ground arms.
敌人被迫放下武器。

He planked down the package.
他猛然放下包裹。

The sound you just heard is the landing gear locking into place.
刚才你们听到的是飞机起落架放下的声音。

It is difficult to persuade them to disarm.
要说服他们放下武器是很难的。

christine put down the immense multicolored menu
克丽丝汀放下那份精致的，用多种颜色印的菜单。

Get off the telephone
放下电话

pull down the blinds
放下窗帘

Push down the handbrake...
放下手刹……

Put up your cue and come along.
放下球杆，过来吧。

Would you please pull down the blinds?
请你把窗帘放下好吗？

lay是什么意思：
v. 放，搁；铺设，砌（砖）；产卵；打赌；提出；把...归于；lie的过去式
n. 位置

Lay the floor with a carpet. [Lay a carpet on the floor.]
把地毯铺在地板上。

lay under tribute
使处于从属地位

The invalid lay propped on the pillows.
那病弱者倚靠在枕头上。

down是什么意思：
prep. 在…下，沿着
v. 下降，打倒
n. 潦倒；羽绒；丘陵

Down with hegemonism!
打倒霸权主义！

The sun is down.
太阳下山了。

Close down autos and you close down steel and rubber.
关掉了汽车工业你也就关掉了钢铁工业和橡胶工业。

put是什么意思：
v. 放，置，使处于；表达，说明

put a crimp into
妨碍|束缚

Put on the screw
施加压力

strike [ put on ] a pose of
装出...面貌[样子]