Definition
Refers to a telephone receiver that is not placed correctly on its base, preventing the phone from ringing or working properly.
（電話）聽筒沒掛好
He left the phone off the hook and missed an important call.
他讓電話處於未掛好的狀態，因此錯過了一通重要的來電。
Make sure you hang up the phone properly; don't leave it off the hook.
請確保你正確掛好電話；不要讓它處於未掛好的狀態。
If the phone is left off the hook, it might produce a continuous noise.
如果電話未掛好，可能會持續發出噪音。
To be free from an obligation, responsibility, or difficult situation; to avoid consequences.
脫身，解脫
I got off the hook because someone else agreed to cover my shift.
我擺脫了困境，因為有人同意幫我代班。
She was supposed to give the presentation, but she got off the hook because she was sick.
她本來應該做報告，但因為生病而免於承擔責任。
He was initially blamed for the mistake, but he later proved his innocence and got off the hook.
他最初被指責犯錯，但後來證明了自己的清白並擺脫了責任。