螺丝钉 (luó sī dīng) — screw (hardware fastener); a person who plays a small but essential role (in a team or organization)

Definition

Examples

• 我需要一颗螺丝钉来修这把椅子。
  Wǒ xū yào yì kē luó sī dīng lái xiū zhè bǎ yǐ zi.
  I need a screw to fix this chair.
• 他在公司里愿意做一颗螺丝钉，努力工作。
  Tā zài gōng sī lǐ yuàn yì zuò yì kē luó sī dīng, nǔ lì gōng zuò.
  He is willing to be a screw in the company, working hard.
• 每个员工都是一颗螺丝钉，都很重要。
  Měi gè yuán gōng dōu shì yì kē luó sī dīng, dōu hěn zhòng yào.
  Every employee is a screw, all are important.