a bone of contention: something which people argue and disagree over.Examples: Medicaid costs have long been a bone of contention between counties and the state. How climate change will affect hurricanes has long been a bone of contention.

to make sure: to be sure, to ascertain (also: to make certain) Examples of TO MAKE SURE We need to make sure that our files are in order. We’re going to make sure that this is the best meal you’ll have in the entire city.

to give off: to release, to produce, to release Examples of TO GIVE OFF When water boils, it gives off stream. The flowers in this garden give off a strange odor.

to get better, worse, etc.: to become better, worse, etc. Examples of GET BETTER, WORSE I practice the violin every day, because I know there’s no other way to get better. When he got the angry call from his manager, he knew his day was going to get worse.

inside out: with the inside facing the outside Examples of INSIDE OUT She turned the jacket inside out so that she could mend it but the stitches wouldn’t show. By turning your surplus left-hand gloves inside out you can restore the balance.

to keep in touch with: to maintain contact with (also: to stay in touch with) Examples of TO KEEP IN TOUCH WITH Good managers are people you keep in touch with even after you leave a position. Once the Thanksgiving holiday passes, I promise to get in touch with all of you.