to have one’s heart set on: to desire greatly, to be determined to Examples of TO HAVE ONE’S HEART SET ON She has her heart set on taking a trip abroad. She’s been thinking about it for months. Todd has his heart set on going to medical school and becoming a doctor.

in a hurry: hurried, rushed (also:in a rush) Examples of IN A HURRY I didn’t do the best job because I was in a hurry to finish the order. The puppy was pulling at his leash, in a hurry to explore the park.

to drop out of: to stop attending; to withdraw fromThis idiom can be made into the noun form dropout. Examples of TO DROP OUT OF Your article notes that many students drop out of school because they are bored. They were also less likely to drop out of university or fail to obtain a degree.

to hear from: to receive news or information fromTo hear from is used for receiving a letter, telephone call, etc., from a personor organization. Examples of TO HEAR FROM I hope to hear from you next week, when you’re back in town. If you don’t honor the contract, you’re going to hear from my lawyer!

to get back: to return Examples of GET BACK We’ll need to get back to headquarters, now that we’ve finished our mission. I like to get back to my hometown in the suburbs every couple of weeks, to visit my parents and to catch up with old friends.

let alone: and certainly not (also: not to mention, to say nothing of) Examples of LET ALONE He would never walk again let alone play golf. He doesn’t even speak his own language well, let alone French.