Definition

1. Verb:

   • To change into, to turn into: To transform from one state, form, or thing into another.
   • To vanish, to disappear: To cease to be visible or present, often suddenly and without a trace.

2. Adverb:

   • Completely, utterly (used for emphasis with verbs): Indicates an action is done thoroughly, swiftly, or to the point of disappearance.

3. Noun:

   • An unexpected event, usually unfortunate: An incident, upheaval, or sudden change in circumstances.
   • Variable: In mathematics and science, a quantity that can change or take on different values.

Usage Examples

• Verb (to change):
  • Nước biến thành hơi. (Water changes into steam.)
  • Anh ấy biến căm thù thành sức mạnh. (He turns hatred into strength.)
• Verb (to vanish):
  • Ông tiên đã biến mất. (The fairy vanished.)
  • Số tiền biến đâu mất. (The sum of money vanished into thin air.)
• Adverb:
  • Nó chối biến mọi cáo buộc. (He flatly denied all accusations.)
• Noun (event):
  • Phải bình tĩnh khi gặp biến. (One must stay calm when encountering an unexpected event.)

Advanced Usage

• "biến hóa": to transform, to metamorphose (often magically or in complex ways).
  • Cô ấy biến hóa trang phục rất nhanh. (She transforms her costumes very quickly.)
• "biến chất": to degenerate, to deteriorate in character or quality.
  • Vật liệu có thể biến chất dưới ánh nắng. (The material can deteriorate under sunlight.)

Variants and Related Words

• Biến đổi (v): to change, to alter (often gradually or in nature).
  • Khí hậu đang biến đổi. (The climate is changing.)
• Biến mất (v): to disappear (common compound for "to vanish").
  • Con mèo đã biến mất. (The cat has disappeared.)
• Biến số (n): variable (in mathematics).
  • "x" là một biến số trong phương trình. ("x" is a variable in the equation.)

Synonyms

• To change: transform, convert, alter.
• To vanish: disappear, evaporate, fade away.
• Event: incident, upheaval, crisis.
• Variable: parameter, factor.

Related Idioms

• Chối bay chối biến: to deny vehemently and repeatedly.
  • Hắn chối bay chối biến không nhận tội. (He vehemently denied the crime.)
• Biến không thành có: to turn nothing into something (to create from nothing or through cleverness).
  • Nhà văn biến không thành có qua những câu chuyện. (The writer turns nothing into something through stories.)

verb

1. (thường đi với thành) To change into, to turn into
   • nước biến thành hơi
     water changes into steam
   • vải để biến màu
     the cloth has changed its colour
   • biến căm thù thành sức mạnh
     to turn hatred into strength
   • biến không thành có, biến khó thành dễ
     to turn nothing into something, a difficult thing into an easy strength
   • biến sắc mặt
     face changes colour
2. To vanish, to vanish without leaving a trace
   • ông tiên đã biến mất
     the fairy vanished
   • số tiền biến đâu mất
     the sum of money just vanished into thin air