为什么把死了叫GO DOWN呢？

go down
To drop below the horizon; set:
落到地平线下；下落：
The sun went down.
太阳落山了
To fall to the ground:
坠落：
The helicopter went down in a ball of fire.
直升机在一团火球中坠落
To sink:
沉没：
The torpedoed battleship went down.
被鱼雷击中的战船沉没了
To experience defeat or ruin.
失败，毁灭：体验失败或毁灭
To admit of easy swallowing:
易吞咽：
a cough syrup that goes down readily.
治咳的糖浆容易下咽
Chiefly British To leave a university.
【多用于英国】 离开大学
Slang To occur; happen:
【俚语】 发生；恰巧发生：
“a collection of memorable pieces about the general craziness that was going down in those days”(James Atlas)
“许多发生在那时的狂热而值得怀念的琐忆”(詹姆斯·阿特拉斯)
To be accepted or tolerated:
被接受，承认：
How will your ideas go down as far as corporate marketing is concerned?
就共同的商品销售来说，你个人的想法怎么会被接受呢?
To come to be remembered in posterity:
被载入：被后人所记住：
a debate that will go down as a turning point in the campaign.
这次争辩将被作为运动的