sign-off
sign-off — 片語動詞
- sign-offbase form
- sign-offs3rd person singular
- sign-offing-ing form
- sign-offedpast simple
1. to write a closing phrase at the end of a letter, email, or message before addin
署名結尾
在信末署名寫上結束語
to write a closing phrase at the end of a letter, email, or message before adding your name
Apinya signed off her letter with 'All the best' before putting it in the envelope.
Apinya 在信的結尾署名寫上「All the best」，然後放進信封。
sign off + [letter/email] + with [phrase]
For formal emails, Lauren always signs off with 'Best regards' followed by her full name.
Lauren 寫正式電郵時，總會在署名前方加上「Best regards」。
The old-fashioned letter was signed off with 'Yours faithfully' and a flowing signature.
那封老式信件以「Yours faithfully」和流暢的簽名作為結尾。
To her aunt, Esme signed off each email with a heart next to her name.
寫給阿姨的電郵，Esme 在署名旁邊加一顆愛心。
用法筆記
Common in British English with phrases like 'Yours sincerely' (formal) or 'All the best' (semi-formal).
常見錯誤
2. to bring a television or radio show to a close, typically with a farewell or a f
結束廣播
以告別語或音樂結束節目
to bring a television or radio show to a close, typically with a farewell or a final piece of music
The late-night DJ signed off at two in the morning with a slow jazz track.
那位深夜 DJ 在凌晨兩點播放一首慢節奏爵士樂，結束了當晚的廣播。
sign off + at [time] + with [song/music]
Before the station signs off for the night, the announcer thanks the listeners.
電台在晚間結束廣播之前，主持人會向聽眾道謝。
Nala listened as the radio host signed off with the same cheerful phrase every evening.
Nala 聽著電台主持人每晚用同樣愉快的短語結束廣播。
The news anchor signed off by saying 'Good night and stay safe' to her viewers.
新聞主播以「晚安，請多保重」向觀眾告別，結束了當天的播報。
- close the broadcast
more formal and less common
- go off the air
emphasises the transmission ending rather than the presenter's farewell
用法筆記
Before TV and radio stations had 24-hour programming, 'signing off' meant the station would go off the air until morning.
常見錯誤
3. to mark a plan, document, or project as officially accepted by adding your signa
簽署核准
透過簽名正式批准
to mark a plan, document, or project as officially accepted by adding your signature
The finance director signed off on the new equipment budget after a long review.
財務總監經過長時間審查後，簽署核准了新的設備預算。
sign off on [budget/proposal/plan]
Before construction can begin, the city council must sign off on the building plans.
工程動工前，市政府必須簽署核准建築圖則。
Pim's manager signed off on his request to attend a conference in Singapore next month.
Pim 的主管簽署核准了他下個月前往新加坡參加會議的申請。
The safety inspector refused to sign off until all the fire exits were clearly marked.
安全督察拒絕簽署核准，直到所有逃生出口都清楚標示為止。
- approve
more general; 'approve' does not emphasise the physical signing act
- authorise
more formal; suggests the person has the official power to say yes
- rubber-stamp
informal, negative: to approve without proper review
文法句型
sign off on [plan/project/document]
用法筆記
Usually followed by 'on' to state what is being approved ('sign off on the proposal'). The person who signs off is typically in a position of authority.
常見錯誤
sign-off — 動詞
- sign-offpresent simple I / you / we / they
- sign-offs3rd person singular
- sign-offing-ing form
- sign-offedpast simple
1. to stop broadcasting or transmitting, so that a station or channel goes off the
停止播送
電台或頻道停止發射訊號
to stop broadcasting or transmitting, so that a station or channel goes off the air for a period
The AM station signed off at sunset, and the frequency stayed silent until morning.
那家 AM 電台在日落時停止播送，頻道直到隔天清晨才恢復訊號。
sign off at [time] — station ceasing transmission
The radio tower signed off automatically at midnight when the transmitter shut down.
廣播塔在午夜發射機關閉後，自動停止了播送。
automatic / passive: transmitter signing off
The coast guard station signed off the emergency channel after the last boat reached harbour.
海岸巡防站在最後一艘船抵港後，關閉了緊急頻道的訊號。
During the storm, the coastal weather station signed off abruptly when its backup generator failed.
暴風雨期間，沿海氣象站的備用發電機故障，訊號突然中斷。
- go off the air
describes the station ceasing transmission, common in radio and TV
- cease broadcasting
more formal and technical
- shut down
can refer to a station or transmitter ending operations
用法筆記
Unlike the phrasal-verb END BROADCAST sense, which describes a presenter signing off a show with a farewell message or music, this verb focuses on the technical or operational act of ceasing transmission — the station going off the air or the operator closing a channel.
常見錯誤
2. to confirm or certify that something has been completed, inspected, or meets req
簽章確認
以簽名確認工作已完成或符合標準
to confirm or certify that something has been completed, inspected, or meets required standards, typically by adding a signature or check mark
The lab technician signed off the calibration log after checking each thermometer reading.
實驗室技術員逐一核對每個溫度計讀數後，在校正紀錄表上簽名確認。
sign off + [log/report] — certifying inspection complete
Every medicine batch was signed off by the quality officer before leaving the factory.
每批藥物出廠前，都必須由品管人員簽章確認。
passive: be signed off by [inspector/officer] — compliance certification
The airline mechanic signed off the maintenance log after checking the aircraft engine.
飛機維修技師在檢查引擎後，在維修紀錄簿上簽名確認。
Before the software launch, the quality assurance team must sign off on every new feature.
軟體上線之前，品保團隊必須簽章確認每一項新功能都沒問題。
文法句型
sign off on [something]
用法筆記
Unlike the phrasal-verb FORMAL APPROVAL sense, which means giving official permission to proceed (an executive approving a project), this verb focuses on certifying that work has been completed or standards have been met (a mechanic certifying a repair is done, a QA team confirming a feature works).