(勁) jìn
strength noun
physical power, force, or energy

He put in a lot of effort to move the rock.

enthusiasm noun
spirit, vigor, or interest in an activity

The kids got all excited when they heard about the outing.

expression noun
an air, manner, or outward look reflecting a mood

Look at how serious he's being.

powerful noun
possessing great force, strength, or energy, often describing natural elements or physical power

A biting strong wind suddenly blew outside the window.

Frequency

Movie subtitles
6.71 per million appears in 3% of films
Written text
4.39 per million

Sources