Definition

1. Verb:
   • To contact, to get in touch with: To establish communication with someone, typically to exchange information or discuss something.
   • To relate to, to be connected to: To have a logical, causal, or associative connection with something else.
   • To correlate, to link: To establish or identify a relationship between two or more things.

Usage Examples

• Verb:
  • Tôi sẽ liên hệ với bạn vào ngày mai. (I will contact you tomorrow.)
  • Vấn đề này liên hệ trực tiếp đến an ninh quốc gia. (This issue relates directly to national security.)
  • Nhà nghiên cứu đang cố gắng liên hệ các sự kiện lịch sử với nhau. (The researcher is trying to link the historical events together.)

Advanced Usage

• "liên hệ thực tế": to relate to reality; to connect theory with practical application.
  • Bài học phải biết liên hệ thực tế. (The lesson must know how to relate to reality.)
• "tự liên hệ": to self-reflect; to relate something back to oneself.
  • Nghe câu chuyện, tôi tự liên hệ đến bản thân mình. (Listening to the story, I reflected on myself.)

Variants and Related Words

• Mối liên hệ (n): Connection, relationship, correlation.
  • Có một mối liên hệ rõ ràng giữa hút thuốc và ung thư phổi. (There is a clear connection between smoking and lung cancer.)
• Liên hệ tương đương (n): Equivalence relation (mathematics, philosophy).
• Thuyết liên hệ (n): Relational theory (philosophy).

Synonyms

• Liên lạc: To contact, to communicate (often implies a more general or ongoing communication).
• Kết nối: To connect (often used in technical or physical contexts).
• Dính dáng: To be involved with, to have a bearing on (colloquial, often with a slightly negative connotation).

Related Phrases (Phrasal Verbs)

• Liên hệ với: To contact/relate to [someone/something]. (This is the standard prepositional use, not a separable phrasal verb).
  • Anh ấy liên hệ với công ty đối tác. (He contacted the partner company.)

Related Idioms

(Note: "liên hệ" itself is not commonly used in fixed idiomatic expressions in Vietnamese. Its usage is more straightforward. However, the noun form "mối liên hệ" appears in common phrases.) - Cắt đứt mối liên hệ: To cut off ties/connections. - Họ đã cắt đứt mọi mối liên hệ từ lâu. (They cut off all ties long ago.)

verb

1. to contact ; to relate to ; to comect