all-clear
all-clear — 名詞
1. a signal — such as a siren, a flag, or an official announcement — that a dangero
解除警報
危險結束後的安全訊號
a signal — such as a siren, a flag, or an official announcement — that a dangerous event (an air raid, a storm, a fire, or a military attack) has ended, so people can come out of shelter and return to normal life.
After the bomb squad finished searching the school, the officer sounded the all-clear and the children went back to their classrooms.
炸彈處理小組搜查完學校後，警官響起了解除警報，孩子們回到了教室。
collocation: sound the all-clear
Kwame and his family stayed in the basement until the all-clear rang out across the town.
Kwame 和家人待在地下室裡，直到解除警報響徹整個小鎮。
The coastguard broadcast the all-clear on the radio after the tsunami warning was cancelled.
海嘯警報取消後，海岸防衛隊在廣播中發布了解除警報。
Amara heard the all-clear siren and finally let herself relax.
Amara 聽到了解除警報的鳴聲，這才終於放鬆了下來。
It was two hours before the fire chief gave the all-clear and the road reopened.
過了兩個小時消防隊長才給出解除警報，道路重新開通。
- safe signal
less common; describes the message rather than the conventional phrase
- warning
a warning tells you danger is coming; the all-clear tells you it has ended
文法句型
the all-clear
sound/give/announce the all-clear
用法筆記
Always used with the definite article 'the'. Common verb partners are 'sound', 'give', 'announce', 'broadcast', and 'hear'. The phrase 'the all-clear' is often treated as a single noun referring to both the signal itself and the permission that follows.
常見錯誤
2. official permission to begin or continue with a plan, project, or activity, espe
許可；核准
障礙排除後的正式許可
official permission to begin or continue with a plan, project, or activity, especially after a delay, an inspection, or a set of problems has been satisfactorily resolved.
Vikram received the all-clear from the bank and signed the papers to buy his first flat.
Vikram 拿到了銀行的許可，簽署了購買第一間公寓的文件。
collocation: receive the all-clear from [institution]
Engineers ran final checks on the rocket and gave the all-clear for launch at dawn.
工程師對火箭進行了最終檢查，並批准在黎明時分發射。
collocation: give the all-clear for [activity]
Ananya waited for the all-clear from her doctor before she started jogging again after the surgery.
Ananya 等到醫生許可後，才在術後重新開始慢跑。
The health inspector issued the all-clear, and the restaurant was allowed to reopen on Friday.
衛生稽查員發出了許可，這家餐廳獲准在星期五重新營業。
Henrik got the all-clear to begin filming inside the national park.
Henrik 獲得許可，可以在國家公園內開始拍攝。
- green light
more informal; 'green light' suggests active encouragement, while 'all-clear' suggests a bar to proceed has been lifted
- go-ahead
similar meaning; slightly more common in British English
- red light
direct opposite — a signal to stop or not proceed
文法句型
give/get/receive the all-clear
the all-clear for [something]
the all-clear to [verb]
用法筆記
In this sense, the all-clear is a metaphorical 'green light' rather than a literal danger signal. The obstacle being removed is typically bureaucratic (a permit, an approval, a test result) rather than physical. Common with 'for + noun phrase' or 'to + infinitive'.