lock someone up and throw away the key

Verb

To lock someone up in prison indefinitely.

Japanese Meaning

誰かを永続的に投獄する / 永久に監禁する / 釈放の見込みなく刑務所に閉じ込める

何年にもわたる捜査の末、地方検事は被告が有罪とされれば、永久に投獄すると約束した。

Sense（1）

To lock someone up in prison indefinitely.

locks someone up and throws away the key

（ present singular third-person ）

locking someone up and throwing away the key

（ participle present ）

locked someone up and threw away the key

（ past ）

locked someone up and thrown away the key

（ participle past ）