Definition
To engage in weightlifting exercises for the purpose of building strength and muscle mass.
舉重
He hits the gym to pump iron every morning to keep his body in good shape.
他每天早上都去健身房舉重以保持身體健康。
After a few months of pumping iron, she became very strong.
經過幾個月的舉重訓練，她變得非常強壯。
Many athletes enhance their performance by pumping iron.
許多運動員通過舉重來提升他們的表現。