off the hook

Adjective

not-comparable

Of a telephone, having an open connection; not hung up. / Of a telephone, ringing frequently.

Japanese Meaning

電話が切られておらず、接続が継続している状態。 / 電話が頻繁に鳴っている状態。

The operator couldn't complete the call because the line was off the hook.

受話器が外れたままだったため、オペレーターは通話を完了できませんでした。

Sense（1）

Of a telephone, having an open connection; not hung up.

I think he left the phone off the hook so that nobody would call him.

Sense（2）

Of a telephone, ringing frequently.

The phone was ringing off the hook all night.