Definition

1. Verb:

   • To fly: To move through the air using wings, like a bird or insect, or by mechanical means, like an airplane.
   • To fade, to disappear: For a color, smell, or mark to become less strong or to vanish completely.
   • To fail (an exam): To not achieve a passing grade in a test or examination.
   • To move very quickly: To travel or be propelled at high speed.

2. Adverb:

   • Easily, flatly, categorically: Used to emphasize the ease or absolute nature of an action, such as a denial or refusal.

Usage Examples

• Verb (to fly):
  • Chim đang bay trên trời. (The birds are flying in the sky.)
  • Lá cờ bay phần phật trong gió. (The flag fluttered wildly in the wind.)
• Verb (to fade):
  • Chiếc áo này đã bay màu. (This shirt has faded.)
• Verb (to fail):
  • Nó bay môn toán. (He failed the math exam.)
• Verb (to move quickly):
  • Thời gian bay rất nhanh. (Time flies very fast.)
• Adverb:
  • Nó chối bay mọi cáo buộc. (He flatly denied all accusations.)

Advanced Usage

• "bay bổng": To soar; often used figuratively for thoughts or imagination rising high.
  • Trí tưởng tượng của nhà thơ bay bổng. (The poet's imagination soared.)
• "bay màu" (slang): To disappear, to vanish (often suddenly or mysteriously).
  • Chiếc điện thoại của tôi bay màu rồi. (My phone has vanished.)

Variants and Related Words

• Bay lượn (v): To glide, to soar, to fly around.
  • Đại bàng bay lượn trên núi. (The eagle soared over the mountain.)
• Cất cánh (v): To take off (for aircraft).
  • Máy bay cất cánh lúc 10 giờ. (The airplane takes off at 10 o'clock.)

Synonyms

• Fly: to move through the air.
• Fade: to lose color or freshness.
• Flutter: to wave or flap quickly.
• Fail: to be unsuccessful.

Related Idioms

• Không cánh mà bay: To vanish into thin air; to disappear without a trace.
  • Chiếc ví không cánh mà bay. (The wallet vanished into thin air.)
• Xa chạy cao bay: To flee far away; to run off to escape.
  • Nghe tiếng động, tên trộm xa chạy cao bay. (Hearing the noise, the thief fled far away.)

verb

1. To fly
   • quan sát những con chim tập bay
     to watch the birds learn to fly
   • vệ tinh nhân tạo bay qua bầu trời
     the satellite flew past in the sky
   • đạn bay rào rào
     bullets flew past
   • tin chiến thắng bay đi khắp nơi
     the news of victory flew to every place
2. To fade, to go
   • áo sơ mi bay màu
     The shirt has faded
   • nốt đậu đang bay
     the smallpox pustules are going
3. To fail (in an examination)
   • không cánh mà bay