(TTS發音) sign off
1‘廣播’收播
2（俚）停止講話
1. mark the end of a radio or television programme for the day結束廣播
This is your favorite announcer signing off for tonight. 這是你最喜歡的播音員在結束今晚的廣播。
The local station signs off at midnight. 地方台午夜停止廣播。
2. end a letter結束書信
I must sign off now. Love，Mary. 就止停筆。愛你的，瑪麗。
3. stop work for the day停止工作
Because of the snow，we signed off at three o'clock. 由于下雪，我們3點鐘就下班了。
The man signed off work at half past six. 那人在6點半下班。
