If you 'do up' your coat, you fasten it.
- Do up your jacket. It looks untidy.
- Can you do up my coat for me? My hands are frozen.
'Do up' can also mean to decorate or make repairs to something.
- Buy me the paint and I will do up my room.
- I'm going to do up my car so that I can sell it.
To 'hold up' can mean to delay.
- We were held up by a traffic accident.
- I don't mean to hold you up but we must finish this discussion.
To 'keep up with' can mean to go at the same speed as.
- It is difficult to keep up with all the changes they are making.
- I don't know how you keep up with all the news.
To 'keep up' can mean to maintain.
- It is difficult to keep up the payments on my new car.
- I can't afford to keep up an apartment in town and a house in the country.
If you 'kick up a fuss', you complain loudly about something.
- He will kick up a fuss when he finds out that he is not invited to the meeting.
- The restaurant had given away our table so I kicked up a fuss and got another one.
If you 'stir up' trouble, you cause it by agitation.
- She is always stirring up trouble about some grievance or another.
- Some shareholders tried to stir up trouble about the sale of the factory.
If you 'sum up', you briefly restate the main points of a meeting or discussion.
- I'd like to sum up my presentation with this quote from Winston Churchill.
- Could somebody sum up what you talked about this morning?
If you 'turn up' a dial, you increase it.
- Could you turn up the volume? I cannot hear it.
- That's the brightest I can make the picture. I've turned up the control to the maximum.
If you 'turn up' somewhere, you arrive, sometimes unexpectedly.
- John turned up at the party, even though he wasn't invited.
- He's always turning up for work an hour late.