idioms

  can of worms (source of many unpredictable problems) I thought repairing my laptop would be easy, but it turned out to be a real can of worms. (very restless) Evan just can’t sit still for a minute; he is a can of worms. envocabulary.com

  drop like a hot potato (get rid of someone or something quickly) I dropped the plan like a hot potato after calculating how much time it would take. When you are broke, she will drop you like a hot potato. envocabulary.com

  joking aside (seriously, without joking) used when you want to make a serious point in a jocular conversation. Joking aside, can you mend this broken chair on your own? All joking aside, John is a hard worker, even though he is never on time. envocabulary.com

  have a lot on your mind (have many problems to worry about) I’m sorry, I wasn’t really listening. I have a lot on my mind at the moment. What’s the matter? You seem to have a lot on your mind these days. envocabulary.com

  bull session (an informal meeting) There will be a bull session in the restaurant after work. We had a bull session this afternoon that lasted more than three hours.     – English Vocabulary