Rack up

To rack points up is to collect them.

• Indian contingent managed to rack up only six gold medals at the Asian Games.

Rake up

To rake something up is to remind somebody of unpleasant things in the past.

• I don’t want to rake up the past.

Rattle on

To rattle on is to talk about something continuously in a boring way. The phrasal verb ‘rabbit on’ has very similar meanings.

• When she started rattling on about her illnesses, we all went to our rooms.

Ring off

To ring off is to end a phone conversation.

• She rang off when he walked into the room.

Ring up

To ring somebody up is to phone them.

• I will ring him up to see if he is coming.

Rip off

To rip somebody off is to charge them too much money.

• I can’t believe that you paid $400 for that used laptop. You have been ripped off.

Round off

To round something off is to change a figure into the nearest whole number. You can, for example, round off 9.6 to 10.

To round off a party is to bring it to a nice end.

• We rounded off the party with a drink.

Rub in

To rub it in is to keep talking about something that would make another person feel bad.

• I know I made a mistake, but you don’t have to rub it in my face.

Rule out

To rule something out is to exclude it.

• James’s family alleged that he had been killed. The police, however, ruled out that possibility.