Definition

1. Noun:

   • Lightning bolt / Thunderbolt: A powerful, natural electrical discharge between a cloud and the ground or within a cloud, accompanied by a bright flash and a loud sound (thunder).
   • Rust: The reddish-brown flaky coating that forms on iron or steel when exposed to moisture and air; corrosion.
   • Heaped measure: A traditional unit of dry measure for grains like rice, where the container is filled to the point of being heaped or level with the brim.

2. Adjective:

   • Rusty: Covered with or affected by rust.

Usage Examples

• Noun (Lightning):
  • Trời đang giông, sấm sét rất to. (It's stormy, the thunder and lightning are very loud.)
  • Cây cầu bị sét đánh. (The bridge was struck by lightning.)
• Noun (Rust):
  • Chiếc xe đạp cũ đầy sét. (The old bicycle is covered in rust.)
• Noun (Heaped measure):
  • Bà ấy mua một sét gạo. (She bought a heaped measure of rice.)
• Adjective (Rusty):
  • Con dao sét không cắt được nữa. (The rusty knife can't cut anymore.)

Advanced Usage

• "sét đánh": Literally "lightning strike," used figuratively to describe shocking, sudden, and devastating news or events.
  • Tin đó như sét đánh ngang tai. (That news was like a bolt of lightning out of the blue.)

Variants and Related Words

• Đất sét (n): Clay (a type of soil).
  • Trẻ em thích nặn đất sét. (Children like molding clay.)
• Sét đánh (v/n): To be struck by lightning; a lightning strike.
• Rỉ sét (v): To rust, to corrode.
  • Sắt sẽ rỉ sét nếu để ngoài mưa. (Iron will rust if left in the rain.)

Synonyms

• Lightning: Thunderbolt, electrical discharge.
• Rust: Corrosion, oxidation.
• Heaped measure: Full measure, brimming measure.

Related Idioms

• Sét đánh ngang tai: An idiom meaning "a bolt from the blue" or "stunning news," emphasizing the sudden and shocking nature of information.
  • Lời tuyên bố của ông ấy như sét đánh ngang tai. (His announcement was a bolt from the blue.)
• Khổng lồ chân đất sét: Translated from "colossus with feet of clay," meaning something or someone that appears powerful but has a fundamental weakness.
  • Đế chế đó là một khổng lồ chân đất sét. (That empire is a colossus with feet of clay.)

noun

1. thunderbolt, bolt agril, clay

verb & noun

1. rust

adj

1. strike measured, struck