Definition

1. Adjective:
   • Prolonged; long-lasting: Describes a state, situation, or condition that continues for an annoyingly or distressingly long time without ending.
   • Persistent; tenacious: Refers to something that is stubbornly continual, often with a negative connotation of being hard to eliminate or shake off.

Usage Examples

• Adjective:
  • Cơn đau đầu dai dẳng khiến cô ấy rất mệt mỏi. (The persistent headache made her very tired.)
  • Cuộc xung đột dai dẳng đã kéo dài nhiều thập kỷ. (The protracted conflict has lasted for decades.)
  • Âm thanh dai dẳng của tiếng máy khoan xuyên qua tường. (The persistent sound of the drill pierced through the wall.)

Advanced Usage

• Used to describe abstract concepts like conflicts, illnesses, memories, or feelings that linger.
  • Nỗi buồn dai dẳng cứ ám ảnh anh. (A lingering sadness continued to haunt him.)

Variants and Related Words

• Dai (adj): Sticky, chewy (for food); stubbornly persistent (for non-physical traits).
  • Kẹo này rất dai. (This candy is very chewy.)
  • Cậu bé đó thật là dai. (That boy is really persistent.)

Synonyms

• Lingering: Lasting for a long time, especially when unwelcome.
• Protracted: Lasting longer than usual or expected.
• Unrelenting: Not yielding in strength, severity, or determination.

Related Idioms and Phrases

• Dai như đỉa: (Lit: persistent as a leech) Used to describe someone who is extremely tenacious, stubborn, or hard to get rid of.
  • Hắn ta cứ theo nài nỉ tôi, dai như đỉa. (He kept pestering me, stubborn as a leech.)

adj

1. prawn-out; long lasting