Definition

1. Adjective:

   • Clear, transparent: Describes a substance, like water or glass, that allows light to pass through so objects can be seen distinctly on the other side.
   • Pure, limpid: Describes something free from impurities or cloudiness.
   • Clear, pure (of sound): Describes a voice or sound that is high-pitched, melodious, and free from hoarseness.

2. Preposition:

   • In, inside, within: Indicates a location within the boundaries or interior of something (e.g., a physical space, a group, or a defined period).
   • Among: Indicates being part of a specified group.

3. Adjective (attributive):

   • Internal, interior: Describes the inner part or side of something.

Usage Examples

• Adjective:
  • Nước hồ này rất trong. (The water in this lake is very clear.)
  • Cô ấy có giọng hát trong trẻo. (She has a pure, clear singing voice.)
• Preposition:
  • Sách nằm trong ngăn kéo. (The book is in the drawer.)
  • Chúng tôi sẽ hoàn thành công việc trong một tuần. (We will finish the work within a week.)
  • Một trong những người bạn của tôi là bác sĩ. (One among my friends is a doctor.)
• Adjective (attributive):
  • Cổng trong dẫn vào khu vườn. (The inner gate leads to the garden.)

Advanced Usage

• "Trong khi": While, whereas (conjunction indicating simultaneous action or contrast).
  • Trong khi tôi đang nấu ăn, anh ấy đang dọn dẹp. (While I am cooking, he is cleaning.)
• "Trong đó": In which, among which.
  • Có ba vấn đề chính, trong đó vấn đề đầu tiên là quan trọng nhất. (There are three main issues, among which the first is the most important.)

Variants and Related Words

• Trong trẻo (adj): Limpid, crystal clear (often for water or sound).
• Trong lành (adj): Fresh, pure (for air).
• Bên trong (n/phrase): The inside, interior.
  • Phòng ngủ nằm ở bên trong. (The bedroom is located inside.)

Synonyms

• Clear: Trong suốt, trong vắt.
• Inside: Bên trong, phía trong.
• Internal: Nội bộ, nội tại.

Related Idioms and Phrases

• Trong nhà chưa tỏ, ngoài ngõ đã tường: Literally "Not yet clear inside the house, but already known on the street"; meaning a family's internal affairs are scandalously public.
• Trong ấm ngoài êm: Literally "Warm inside, smooth outside"; meaning domestic harmony and good external relations.
• Máu trong máu ra: Describes a very close, blood-related familial bond.

adj

1. clear, pure

conj

1. within, in for

adj

1. internal, interior