Definition

1. Verb phrase:
   • To sound the all-clear: To give a signal (typically a siren, alarm, or announcement) indicating that a period of danger, emergency, or alert has ended and it is safe to resume normal activities.

Usage Examples

• Verb phrase:
  • Sau trận không kích, còi báo yên vang lên. (After the airstrike, the all-clear siren sounded.)
  • Chính quyền đã báo yên cho người dân trở về nhà. (The authorities sounded the all-clear for residents to return home.)
  • Chúng tôi chỉ có thể rời hầm trú ẩn khi nghe thấy tín hiệu báo yên. (We could only leave the shelter upon hearing the all-clear signal.)

Advanced Usage

• The phrase is most commonly associated with formal warnings for military dangers (e.g., air raids) or natural disasters. In modern usage, it can be applied metaphorically to indicate the end of any stressful or critical situation.
  • Sau cuộc họp căng thẳng, giám đốc cười, báo yên cho toàn thể nhân viên. (After the tense meeting, the director smiled, giving the all-clear to all staff.)

Variants and Related Words

• Còi báo yên (n): The all-clear siren; the specific device or sound that signals the end of an alert.

  • Tiếng còi báo yên nghe thật nhẹ nhõm. (The sound of the all-clear siren was a great relief.)

• Tín hiệu báo yên (n): The all-clear signal.

  • Mọi người chờ đợi tín hiệu báo yên. (Everyone waited for the all-clear signal.)

Synonyms

• Declare the end of the alert: To officially state that the dangerous situation is over.
• Give the all-clear: The most direct synonym in English.

Related Idioms

• Báo động rồi báo yên: To raise a false alarm; to declare an emergency and then quickly declare it over. This implies causing unnecessary panic or disruption.
  • Hóa ra chỉ là một bài kiểm tra hệ thống, đúng là báo động rồi báo yên. (It turned out to be just a system test; it was a real case of crying wolf.)

1. To sound the all-clear (signal)
   • còi báo yên
     the siren sounded the all-clear, the all-clear siren sound