用力 (yòng lì): การใช้ความพยายาม การใช้ความแข็งแรง

He pushed the heavy door open with force and found a small room filled with old books inside.

When moving the box, he used too much strength and ended up spraining his back, so he had to take a few days off to rest at home.

During the tug-of-war competition, all the classmates pulled backward with all their strength, and the red cloth in the middle of the rope finally moved slowly to our side.

She gripped my hand tightly, as if I would disappear the moment she let go; in that moment I felt her nervousness and dependence.

This bottle cap is too tight; I twisted it hard several times but couldn't open it, and in the end I had to use a tool to get it off.