to call off: to cancel Examples of CALL OFF We’re going to call off the rescue mission because the weather is too bad. Henry couldn’t convince them to call off the attack, even though he knew it was a bad idea.

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 take by surprise: to surprise, to amaze, to astonish Examples of TO TAKE BY SURPRISE The offer of a high-paying position with another company took me by surprise. The president’s announcement that the university was in financial trouble didn’t take anyone by surprise.

to try out:to test, to use during a trial period Examples of TO TRY OUT The actress couldn’t wait to try out for the big movie role. I’m going to try out a new diner, if you’d like to come with me.

to blow out: to explode, to go flat (for tires); to extinguish by blowing Examples of TO BLOW OUT The front tires blew out as the plane landed at Tampa International Airport. Blow out all candles when you leave the room or go to bed.

to take advantage of: to use well, to profit from; to use another person’sweaknesses to gain what one wants Examples of TO TAKE ADVANTAGE OF It’s not right to take advantage of people who aren’t as clever as you. The cab driver knew I was new to the city and so he tried to take…