slower , slowest
Something that is slow moves, happens, or is done without much speed.
The traffic is heavy and slow.
交通拥挤,车流缓慢。
Electric whisks should be used on a slow speed.
电子打蛋器应该慢速运转。
Something that is slow takes a long time.
The distribution of passports has been a slow process.
颁发护照一直是个漫长的过程。
If someone is slow to do something, they do it after a delay.
The world community has been slow to respond to the crisis.
国际社会对该危机的反应向来迟缓。
Someone who is slow is not very clever and takes a long time to understand things.
He got hit on the head and he's been a bit slow since.
自从他的头被撞了以后他就变得有点迟钝了。
If you describe a situation, place, or activity as slow, you mean that it is not very exciting.
Don't be faint-hearted when things seem a bit slow or boring.
当事情似乎有点乏味或无聊时,不要胆怯。
If a clock or watch is slow, it shows a time that is earlier than the correct time.
The clock is about two and a half minutes slow.
那钟慢两分半左右。
In informal English, slower is used to mean 'at a slower speed' and slowest is used to mean 'at the slowest speed'. In nonstandard English, slow is used to mean 'with little speed'.
I began to walk slower and slower.
我走得越来越慢。
slow down
If something slows down or if something slows it down, it starts to move or happen more slowly.
slow up
The bus slowed down for the next stop.
那辆公共汽车慢下来准备停靠下一站。
There is no cure for the disease, although drugs can slow down its rate of development.
这种病没法治,尽管药物可以延缓病情的发展。
If someone slows down or if something slows them down, they become less active.
You will need to slow down for a while.
你需要放松一会儿。
slow up
Slow up means the same as slow.
Sales are slowing up.
销售速度正在减慢。
slows , slowing , slowed
If something slows or if you slow it, it starts to move or happen more slowly.
The rate of bombing has slowed considerably.
轰炸的速率已经放慢了许多。
She slowed the car and began driving up a narrow road.
她放慢了车速,开始驶上一条狭窄的道路。