Phrasal verbs are an important feature of the English language. The meaning of phrasal verbs often bears no relation to the meaning of either the verb or the particle which is used with it. Many phrasal verbs have several different meanings.
Crack down (try to stop doing something)
The police have decided to crack down on drug traffickers.
Crack up (to suddenly laugh a lot)
Sharon cracked up when she saw me wearing a funny costume.
Cram into (to put a lot of things into a small space)
I can’t cram any more items into this box.
Crank up (to make something work by turning a handle)
The first thing John does in the morning is to crank up the generator.
Crawling with (full of people or insects)
The kitchen is crawling with cockroaches.
Cream off (to separate the best people from a group)
In some countries the authorities cream off the brightest children and place them in special schools.
Credit with (to believe that someone has a special quality)
The teacher was willing to credit me with some intelligence.
Creep into (to make something noticeable)
A note of irritation crept into his voice.
Creep over (to get a bad feeling)
A vague feeling of unease crept over me.
Creep up on (to get closer to someone from behind)
The snatch thief crept up on her in a dark alley.
Crop up (to happen suddenly)
All kinds of problems crop up in our lives.
Cross out (to draw a line through something that you have written)
If you have made a mistake, just cross it out.
Cross over (to support an opposing group)
A few members of the Opposition crossed over to the ruling party.
Crowd round (surround someone)
As soon as the president appeared, reporters crowded around him.
Crowd into (to enter a place in large numbers)
Demonstrators crowded into a hall to plan their next move.
Crowd out (to prevent someone from succeeding)
In some universities new students are crowded out by seniors.
Crumple up (to crush a piece of paper into a ball)
Thelma crumpled up the letter and threw it into the bin.
Cry out (to make a loud noise)
The injured man cried out in pain.
Cry out against (to complain strongly about something)
Civil rights activists are crying out against the new law.