idioms

  have your mind on (think about, give attention to) It’s hard to have your mind on your lessons when the music is so loud. I’m sorry, I didn’t get what you said. My mind was on other things. envocabulary.com

  chew the fat (have a long, friendly talk) They would sit and chew the fat for hours. We go out with friends and chew the fat almost every Sunday afternoon. envocabulary.com

  chew the cud (think carefully) We need to chew the cud before making tough decisions. He has enough time to chew the cud before his speech. envocabulary.com

  on the house (free of charge, paid for by the owner) At the opening of the new restaurant, tea and coffee were on the house. The hotel offers breakfast on the house. envocabulary.com

  feel free (you can do it if you want; regard yourself as permitted) Feel free to call me any time up until half past ten at night. Can I use your bathroom? – Please, feel free. envocabulary.com