đứt đầu

Definition
  1. Verb phrase:

    • To be beheaded: The literal meaning refers to the act of having one's head severed or cut off from the body, typically as a form of execution or in a violent accident.
  2. Verb phrase (figurative, colloquial):

    • To be at a complete loss / to be utterly stumped: Used to express a state of being completely unable to think of a solution, answer, or way forward; to be mentally exhausted from thinking.
    • To be broken off / to be severed: Can describe a connection or relationship that is abruptly and completely cut off.
Usage Examples
  • Literal:
    • Tên phản bội bị xử tử bằng cách đứt đầu. (The traitor was executed by beheading.)
  • Figurative:
    • Bài toán này khó quá, nghĩ đứt đầu không ra. (This math problem is too hard; I've thought until I'm stumped and still can't solve it.)
    • Sau cuộc cãi vã, quan hệ giữa họ bỗng nhiên đứt đầu. (After the argument, their relationship was suddenly severed.)
Advanced Usage
  • The phrase is often used hyperbolically in everyday speech to emphasize extreme mental effort or frustration, much more commonly than its literal, gruesome meaning.
Variants and Related Words
  • Đứt (v): to be cut, to snap, to break. This is the core verb meaning "to sever."
  • Đầu (n): head. The noun for the physical head or the top/front of something.
Synonyms
  • Be beheaded: have one's head cut off.
  • Be baffled: be confused or perplexed.
  • Be severed: be cut off completely.
Related Idioms
  • Nghĩ nát óc / Nghĩ vỡ đầu: to think one's head off; synonyms for thinking extremely hard without success.
    • nghĩ nát óc để tìm cách thuyết phục bố mẹ. (He thought his head off trying to find a way to persuade his parents.)