减速，放慢，减缓：指使某物或某人的速度变慢或减缓。
slow up // [ slowing slowed slower slows slowest ]
动词词组 Slow up means the same as 1. 使放慢; 使放松下来; 放慢; 放松下来
Sales are slowing up.
销售正在减慢。
... sit in#列席，旁听；不干预 slow up#变得不那么忙，慢下来 on the sly#偷偷地；秘密地 ...
... retard 防止 slow up 减慢 sit in 列席，旁听；不干预 ...
... slot n. 水沟,细长的孔,狭缝,硬币投币口; n. 组织、系统中的一个位置或空位; v. 留细长的孔 slow up (使)减速 slum n. 贫民窟 ...
（使）慢下来
Slow up while the car is over the bridge.
汽车过桥时要放慢速度。
You should slow up a bit and have a rest.
你得减少一点工作，休息一下了。
First you go very fast, and then perhaps you slow up.
开始你说得很快，后来可能慢下来。
Up the road came the sound of creaking wheels and then, a slow cloud of dust.
VOA : special.2009.11.14
So that way you can have an idea if, oh, I do really understand this but I'm a little bit slow, maybe I need to practice this one type of problem a little bit longer so I can get up to speed so I'm going to be able to get through all this in terms of the exam time.
这样你就可以知道，假设，噢，我真的懂这个，但是我的速度有点慢，或许我需要在练习这个类型的题目上,多花一点时间,这样我就可以提高自己的速度,可以全部做完,在考试规定的时间内。
化学原理课程节选 : 麻省理工公开课
and I remember it being very slow going up.
我还记得它上升得很慢。
SpeakingMax英语口语达人 : 关于伦敦眼的回忆
So,this is kind of a mood album, it's the extreme of moods, you know,Achin,' sad slow, sultry Country ballads and then the Shakin' is all up-tempo, kind of crazy,fast, a little bit throw-back Country, a little bit throw-back old soul or Motown."
VOA : standard.2010.06.18
Other factors effecting PC shipments are the impact from tablet sales and Windows 8 having a slow up-take.
Labour peers Lord Warner and Baroness Wall of New Barnet both opposed any attempt to slow up the passage of the bill.
The measure, which has been ruled out by ministers in England and Wales would slow up an already lengthy application process and discourage investors from setting up in Scotland, it claimed.