囚禁 (qiújìn): to imprison; to hold captive

Meanings

Both characters relate to confinement. 囚 is a pictograph of a person (人) inside an enclosure (囗) — literally a person trapped in a box.

Tā bèi qiújìnle shí nián.

He was imprisoned for ten years.

Qiújìn wúgū de rén shì bùduì de.

It's wrong to imprison innocent people.

Nàge guówáng bèi qiújìn zài tǎ lǐ.

That king was imprisoned in the tower.

memory

The character 囚 is one of the most visually intuitive Chinese characters: a person (人) inside a box (囗) = prisoner.

囚 qiú

禁 jìn