Hard facts
Specific facts which can be proved.We tried hard to learn the hard facts about the new product.
As hard as nails
Physically very fit and strong, rough.The man is as hard as nails and is not a good person to have an argument with.
A hard-and-fast rule
A rule that cannot be altered to fit special cases.There is no hard-and-fast rule that says you cannot use a cell phone on the bus.
Happy hour
A time in bars or restaurants when drinks are served at a discount.We stopped at a restaurant during happy hour and had a drink.
Happen upon (someone or something)
To meet someone or find something unexpectedly.I happened upon a very valuable book when I was cleaning up my grandfather's house.
A hang-up
An inhibition, a neurotic reaction to some life situation.The girl has a serious hang-up about the dark and is afraid to go out at night.
A hang-up
A delay in some process.There was a hang-up in the construction of the office tower because of the fire.
Hang on every word
To listen with complete attention to everything someone says. The audience hung on every word of the speaker.
A great deal of (something)
Much or a lot of something.There was a great deal of water in our house after the flood.
Got a thing going (with someone)
Engaged in an activity with someone (in romance or business).The man has got a thing going with his neighbor.