Definition of sift out

sift outphrasal verb

sàng lọc ra

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The phrase "sift out" originated from the process of separating small particles or powders from larger materials through a sieving or sifting action. The word "sift" itself comes from the Middle English "sesven" meaning "seven," which referred to the seven-sided frameworks used in medieval sieves. The original Old French verb "cesevre" encompassed both the act of sifting and the word for seven, as the number of openings in a medieval sieve was traditionally seven, symbolic of the seven deadly sins as specified in Christian doctrine. This connection to the number seven remains in modern European languages, where the word for sieve is often derived from "seven," such as the German "Sieb" and the Dutch "zeef." As the process of sifting became more refined and common in various industries, such as agriculture and food production, the expression "sift out" was coined to convey the idea of separating smaller, desirable elements from larger, undesired components. Today, the expression "sift out" is used in various contexts to describe a range of processes and procedures aimed at separating or eliminating unwanted materials or elements.

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to remove something that you do not want from a substance by putting it through a sieve

loại bỏ thứ gì đó mà bạn không muốn ra khỏi một chất bằng cách cho nó qua một cái rây

Example:
  • Put the flour through a sieve to sift out the lumps.

    Đổ bột qua rây để loại bỏ các cục bột.

to separate something, usually something you do not want, from a group of things

tách một cái gì đó, thường là thứ bạn không muốn, ra khỏi một nhóm thứ

Example:
  • We need to sift out the applications that have no chance of succeeding.

    Chúng ta cần sàng lọc những ứng dụng không có cơ hội thành công.

  • They will try to sift out the winners and the losers.

    Họ sẽ cố gắng sàng lọc người chiến thắng và kẻ thua cuộc.