Definition

1. Verb:
   • To block (an advance), to check (an advance): To physically or strategically obstruct someone or something from moving forward or progressing.
   • To intercept, to cut off: To stop someone or something by getting in their way, especially at the beginning of their movement or plan.

Usage Examples

• Verb:
  • Cảnh sát đã chặn đầu tên trộm khi hắn định bỏ chạy. (The police blocked the thief at the start when he tried to run away.)
  • Đội nhà cần có chiến thuật chặn đầu đường tấn công của đối thủ. (The home team needs a tactic to check the advance of the opponent's attack.)
  • Họ tìm cách chặn đầu nguồn cung nguyên liệu. (They sought to cut off the source of material supply at its origin.)

Advanced Usage

• "chặn đầu... tại...": to block/cut off... at...

  • Chúng tôi chặn đầu đoàn xe tại ngã tư. (We cut off the convoy at the intersection.)

• Used in strategic, competitive, or conflict contexts (sports, business, military) to describe preemptive or early-stage obstruction.

Variants and Related Words

• Chặn (verb): to block, to obstruct. A more general term.
  • Chặn đường (to block the road)
• Chặn đứng (verb): to stop completely, to halt.
  • Chặn đứng cuộc tấn công (to halt the attack)
• Đánh chặn (verb): to intercept (often used in military/aviation contexts).
  • Đánh chặn tên lửa (to intercept a missile)

Synonyms

• Ngăn chặn: to prevent, to obstruct.
• Cản đường: to block the way.
• Chặn lại: to stop, to block.

Related Phrases (Phrasal Verbs)

Note: Vietnamese does not have phrasal verbs in the same structure as English. The concept is expressed through verb + complement/object combinations. - Chặn đầu... lại: to block... at the start (emphasizing the stopping action). - Anh ta chặn đầu tôi lại để hỏi đường. (He stopped me right at the beginning to ask for directions.)

Related Idioms

• Chặn đầu chặn đuôi: to block at both the start and the end; to completely encircle or trap.
  • Bị chặn đầu chặn đuôi, tên cướp đành phải đầu hàng. (Blocked at both ends, the robber had to surrender.)

1. Block (check) an advance
   • Đánh chặn đầu
     To chack the enemy's advance