back and forth: in a backward and forward motion Examples of BACK AND FORTH She and I went back and forth, continually trading ideas, but we never reached an agreement. My job has me going back and forth between Atlanta and New York right now.

to get on (someone’s) nerves: to annoy or disturb Examples of TO GET ON (SOMEONE’S) NERVES I wish they would turn off that radio. It’s getting on my nerves. Ruby loves to talk to anyone. Sometimes her chatter really gets on my nerves.

to be well-off: to have enough money to enjoy a comfortable life, to be rich(also: to be well-to-do) Examples of TO BE WELL-OFF The ironic result is that some well-off private schools are now getting support.The well-to-do son of a banker, Degas visited the Paris Opera-Ballet frequently.

to call on: to ask for a response from; to visit (also: to drop in on) Examples of CALL ON I thought it would be fun to call on my friend while I was doing my presentation. The teacher managed to call on me in every class.

to lie down: to place oneself in a flat position, to recline Examples of LIE DOWN Bell told the woman to lie down on the floor because he had a gun, Chitwood said. She asks them to lie down, close their eyes and imagine they are at the hospital.

to have (time) off: to have free time, not to have to work (also: to taketime off Examples of HAVE (TIME) OFF I wish that I could have taken some time off during my day to go out on a cycle. When it comes to graduate school, you might have no choice but to take…