Definition

1. Noun:

   • Longline fishing: A fishing method using a long main line (the longline) with many baited hooks attached at intervals by shorter branch lines (snoods). This technique is used for catching pelagic fish species.
   • Longline fishing gear: The specific equipment used in this fishing method, consisting of the main line, hooks, buoys, and weights.

2. Verb:

   • To longline fish: To engage in the activity of fishing using a longline.

Usage Examples

• Noun:

  • Ngư dân sử dụng câu giăng để đánh bắt cá ngừ. (Fishermen use longline fishing to catch tuna.)
  • Chiếc thuyền đang thu hoạch từ những đường câu giăng. (The boat is harvesting from the longlines.)

• Verb:

  • Họ đang câu giăng ngoài khơi. (They are longline fishing offshore.)
  • Kỹ thuật câu giăng đòi hỏi nhiều kinh nghiệm. (Longline fishing technique requires a lot of experience.)

Advanced Usage

• "đánh bắt bằng câu giăng": to harvest/catch by longline fishing.

  • Cá kiếm thường được đánh bắt bằng câu giăng. (Swordfish are often caught by longline fishing.)

• "dây câu giăng": the longline (the main line itself).

  • Dây câu giăng có thể dài hàng cây số. (The longline can be kilometers long.)

Variants and Related Words

• Câu vàng (n): Another term for longline fishing, though sometimes used more specifically. It can be considered a near-synonym.
• Nghề câu giăng (n): The profession or industry of longline fishing.
• Thuyền câu giăng (n): A longliner; a boat designed for or used in longline fishing.

Synonyms

• Đánh bắt bằng dây câu dài: Fishing with a long line (descriptive synonym).
• Palangre: The direct loanword from French, used in some technical contexts.

Related Phrases

• Thả câu giăng: To set/deploy the longline.

  • Tàu bắt đầu thả câu giăng lúc hoàng hôn. (The ship began to set the longline at dusk.)

• Thu câu giăng: To haul in/retrieve the longline.

  • Công việc thu câu giăng rất vất vả. (The work of hauling in the longline is very laborious.)

Related Idioms

(Note: 'Câu giăng' is a technical term, so common idioms are not typically formed from it. Its usage is largely literal and specific to the fishing industry.)