hold someone captive

US /hoʊld ˈsʌmwʌn ˈkæptɪv/
UK /hoʊld ˈsʌmwʌn ˈkæptɪv/
"hold someone captive" picture
1.

to keep someone as a prisoner or in a confined space, often against their will

:
The kidnappers decided to hold him captive until the ransom was paid.
The police managed to rescue the victims who were being held captive in the basement.
2.

to completely absorb someone's attention or interest

:
The speaker's powerful story managed to hold the audience captive.
The thrilling plot of the novel will hold you captive from beginning to end.