lock (someone) down

Translations
изолировать (кого-то)
The police had to lock the suspect down to prevent escape.
Полиция должна была изолировать подозреваемого, чтобы предотвратить побег.
Definitions
To restrict someone's freedom or movement, often by enforcing strict rules or limitations; can also mean to secure a commitment from someone, such as in a relationship or business deal.
Words
lock

verb
запереть
someone

pronoun
кого-либо
down

adverb
внизу