井底 (jǐng de) — bottom of a well or mine shaft

Definition

Examples

• 他就像一只井底之蛙，不知道外面的世界有多大。
  Tā jiù xiàng yì zhī jǐng de zhī wā, bù zhī dào wài miàn de shì jiè yǒu duō dà.
  He is like a frog at the bottom of a well, unaware of how big the outside world is.
• 工人们正在清理井底的淤泥。
  Gōng rén men zhèng zài qīng lǐ jǐng de de yū ní.
  The workers are cleaning the silt at the bottom of the well.
• 这个矿井的井底很深，需要小心。
  Zhè ge kuàng jǐng de jǐng de hěn shēn, xū yào xiǎo xīn.
  The bottom of this mine shaft is very deep; need to be careful.