电灯泡 (diàn dēng pào) — electric light bulb; (slang) third wheel, intruder (esp. between a romantic couple)

Definition

Examples

• 房间里只有一个电灯泡，光线很暗。
  Fáng jiān lǐ zhǐ yǒu yí gè diàn dēng pào, guāng xiàn hěn àn.
  There is only one light bulb in the room, so the light is dim.
• 他们俩约会，你最好不要去当电灯泡。
  Tā men liǎ yuē huì, nǐ zuì hǎo bú yào qù dāng diàn dēng pào.
  They're on a date — you'd better not go and be a third wheel.
• 这个电灯泡的瓦数太低了，看不清楚。
  Zhè ge diàn dēng pào de wǎ shù tài dī le, kàn bù qīng chǔ.
  The wattage of this bulb is too low; I can't see clearly.