idioms using “hard”

As hard as nails

Unsympathetic, uncaring

“I hope Ishikawa-san isn’t our new boss; he is as hard as nails.”

Hard on someone

To be mean to or demanding of someone (even yourself)

“The critics always rave about Ogawa-san’s piano recitals but she never accepts the praise; she is so hard on herself.”

Play hard to get

A strategy of acting hesitant though one is eager

“We have expressed interest in buying our parts supplier but they are playing hard-to-get.”

Die-hard

People who are faithful to an ideology or idea and nothing can change their mind (even music, in this example)

“The Grateful Dead is one band with many die-hard fans; there are clubs of people who have attended over 100 live concerts.”

Play hardball

To do anything necessary to win

“I wouldn’t want to compete against Sato-san; he plays hardball.”