to brush up on: to review something in order to refresh one’s memory Examples of TO BRUSH UP ON The old doctor mistakenly thought he didn’t need to brush up on the procedure, and it caused more complications for the patient. Let’s brush up on our sales techniques before the holiday rush.

to take apart: to disassemble, to separate the parts of something Examples of TO TAKE APART He’d have to take it apart each winter and put it back together again by spring. As a child, Gary used to take doorknobs apart and put them back together.

now and then: occasionally, sometimes (also: now and again, at times,from time to time, off and on, once in a while) Examples of NOW AND THEN David offends people, now and then, without even meaning to do so, but it’s so rare that everyone still works with him. Every married couple fights now and then.

to get in/to get on: to enter or to board a vehicleto get in is used for cars; to get on is used for all other forms of transportation. Examples of GET IN It’s impossible to get in the car from the passenger’s side, since Steve’s accident. We need you to get in the game!

had better: should, ought to, be advisable to Examples of HAD BETTER “You had better tell me what’s going on!” the suspicious father demanded. “Stephanie had better confess to stealing the candy,” Nancy thought, “or I might get in trouble!”  

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!