once in a blue moon: rarely, infrequently Examples of ONCE IN A BLUE MOON If once in a blue moon he smiled, it was such a rarity that it was like a scoop. These are discouraging times, but once in a blue moon a bit of hope appears.

Chicken feed: A very small amount of money. Examples: Of course I can afford $800. That’s just chicken feed. He’s so rich that $1000 is chicken feed to him.

to see about: to give attention or time to (also: to attend to, to see to) Examples of TO SEE ABOUT We need to see about getting the equipment from Beijing to Shanghai. The manager promised last week that she would see about my refund, and I still haven’t received it.

you never know: You say you never know when you mean that it is possible that something might happen although it seems very unlikely:Examples of YOU NEVER KNOW Because you never know when you’re going to get an urge to knit in a dark place. You never know who’s going to show up on the…

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.

hard of hearing: partially deaf, not able to hear well Examples of HARD OF HEARING The elderly man pretended to be hard of hearing, so nobody would bother him on the train. Playing in too many rock bands made the musician hard of hearing while he was still young.