to catch fire: to begin to burn Examples of TO CATCH FIRE Clay would make them less likely to catch fire from a dropped match or cigarette. The wax drips everywhere and I’m always on edge that something will catch fire.

at all: to any degree (also: in the least) Examples of AT ALL The kids were talking during the movie so I couldn’t understand at all what was going on. Can’t you figure out any way at all to complete the construction on time?

to feel sorry for: to pity, to feel compassion for (also: to take pity on) Examples of TO FEEL SORRY FOR Go meet someone; it’s time to stop feeling sorry for yourself after your divorce. I’m not able to feel sorry for your financial problems – you knew you’d have to pay your credit card…

to go on: to happen; to resume, to continue (also: to keep on) Examples of GO ON We’ll need a lantern to go on, now that night has fallen. I’m unable to go on pretending and I’ve decided to be honest.

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 keep track of: to keep or maintain a record of; to remember the locationof Examples of TO KEEP TRACK OF We’re going to keep track of your sales figures, to determine how much of a bonus you’ll receive. The manager didn’t expect how many projects he would be given and expected to keep track…