idioms

  it’s not rocket science  informal (it’s not difficult to do or to understand) This is just normal work; it’s not rocket science. It’s not rocket science once you get the hang of it.   envocabulary.com

  hit the books  informal (to study or begin to study hard) I must hit the books now if I’m going to pass the test. My grades were getting bad, so my parents had me hit the books.   envocabulary.com

  crash a party (enter a party without being invited) I am not the kind of person who would crash a private party. Come on, guys. Let’s crash a party tonight.   envocabulary.com

  speak with a forked tongue (make false promises; say one thing and mean another) He always talks with a forked tongue, so I didn’t trust him an inch. The Prime Minister has been known to speak with a forked tongue.   envocabulary.com

  high gear  informal (a state of maximum or efficient activity) I studied hard before the examination, and my mind is in high gear. The project is starting to move into high gear.   envocabulary.com