down : 向下的位置（to or into a lower position）
cast down 扔下
cut down砍倒
get down 下来
hand down 传下来
knock down 撞倒
lay down 放下
let down 放下
pour down 倾盆而下
pull down 拉下
set down 放下
sit down 坐下
step down 走下来
throw down 扔下
turn down 拆下
take down 取下
blow down 吹倒
bring down 打倒
hang down 垂下
sink down 沉落
slip down 失足
squat down 蹲下
swallow down 吞下
stoop down 伏身
splash down 飞溅而下
touch down 降落
bend down 弯下
bow down 鞠躬
kneel down 跪下
lie down 躺下
strip down 脱下
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in : 进入，向里(into, inside, indoors)
barge in 闯入
beat in 打进
break in 闯入,插嘴
breathe in 吸入
burst in 闯入，打断
drop in 偶然拜访
fall in 跌入
get in 插入，收进
knock in 打入
lead in 导入
let in 进入，嵌入
move in 迁入
step in 走进
settle in 迁入
smuggle in 偷偷运进
cut in 插嘴
call in 来访
draw in （火车）进站
intervene in 介入
involve in 卷入