a fat cat: someone who has a lot of money, especially someone in charge of a company who has the power to increase their own payExamples: Some say that rich, privileged people are fat cats. Don’t wait around for a fat cat to help you.

sooner or later: eventually, after a period of time Examples of SOONER OR LATER I’ll get around to it sooner or later. If you study English seriously, sooner or later you’ll become fluent. Sooner or later, everyone catches a cold.

out of order: not in working condition Examples of OUT OF ORDER When my cell phone ran out of battery, I tried the pay phone, but it was out of order. It seems like one of the projectors is always out of order, but the others always work fine.

would rather: prefer to (also: would just as soon) Examples of WOULD RATHER I would rather go biking than running, because biking is easier on my knees. He would rather go to the salad bar, but she wanted to go to the steakhouse.

to slow down: to go, or cause to go, more slowly Examples of TO SLOW DOWN – Your best approach is to slow down and allow yourself extra time for everything.– You’re eating too fast to digest your food well. Slow down!

at last: finally, after a long time. Examples of AT LAST “At last, I’ll be in New York City,” the tourist thought to herself excitedly. At last, Sherlock solved the mystery.