idioms involving “iron”

Too many irons in the fire

Participating in too many activities at one time

“Kimura-san has too many irons in the fire so she isn't concentrating enough on our project.”

To have an iron stomach

To be able to eat everything (without becoming ill)

“I don't care how spicy the food is; I have an iron stomach.”

Iron fist

Dictatorial, unbending

“The prime minister is said to rule with an iron fist.”

Pumping iron

Lifting weights (for exercise)

“Miyuki-san has been pumping iron since she was 14 and is now training for the Olympics.”

Iron out

To resolve, to smooth out

“They have finally ironed out their differences and signed the contract, but it took three months.”