KNOW THE MEANING

ring round to telephone (several people) in order to ask about or discuss something: I’ll ring round all my friends and ask them to help in the search for the dog. Here’s a list of people who are interested - I’ve already rung round a few of them. track down to find (someone or something) after a long or difficult search: Mel has just tracked down her father who left home when she was a baby. It took the police several years to track the murderer down. There are very first editions of the book, but we eventually tracked one down. run up to begin to be liable for, or to accumulate (debt, expenses, a bill, etc): Tony has run a huge credit card bill. You should not expect your parents to pay off these bills when it was you who ran them up. approve of to be pleased with or think well of (someone or something): Jenny’s parents do not approve of the student way of life. I had my hair cut and my family approved of the new style. Joan has made new friends, but her parents do not approve of them. interfere with to prevent or slow down the progress of (something): Lack of staff interfered with the production of the new product. The bus schedule was running smoothly until bad weather interfered with it. call back to telephone (someone) who has telephoned you, to return (someone’s) telephone call: I’ll call Mary back - she left a message on my answering machine. I’ll find out the information for you and call you back. hang up to end a telephone connection, often by putting the receiver back on the handset: Trudy was very angry with Dave and she hung up before he could apologise. Meg said abruptly to the salesman that she did not want to buy anything and hung up. round up to gather together (a group of people or animals): Let’s try to round up a group of volunteers to paint the village hall. We watched the dogs round the sheep up. Many prisoners have escaped and the prison authorities are trying to round them up. put up to provide (someone) accommodation, usually temporarily and in one’s home: They put the homeless family up in a hotel. We can put up only one person. We can put you up for the night if you miss the last train. wait up for not to go to bed because one is waiting until (someone) has returned to the house: You don’t have to wait up for Sue - she’s an adult now. Jean wants to be back home before midnight because her parents insist on waiting up for her.