灯泡

• ピンイン: dēng pào
• 漢字の分解: 灯 = 火 + 丁 (lamp/light); 泡 = 氵 + 包 (bubble/blister)

意味

電球／（俗）邪魔な第三者

In everyday speech, 灯泡 serves double duty: its literal meaning (light bulb) and a widely used slang meaning (third wheel/gooseberry). The slang usage is highly prevalent among younger generations.

例文

1. 客厅的灯泡坏了，需要尽快更换一只新的。
2. 他们约会时我却在旁边，完全成了多余的灯泡。
3. 这种节能灯泡的使用寿命比传统白炽灯泡长得多。

使い方ガイド

場面: daily life, slang, relationships, home

トーン: neutral

正しい言い方

• 你们去约会吧，我不想当灯泡。(You two go on your date — I don't want to be the third wheel.)
• 请帮我换一个新灯泡，旧的已经不亮了。(Please help me replace the light bulb — the old one no longer works.)

避ける言い方

• 这灯泡非常灯泡 — nonsensical; use 这灯泡非常明亮 (this bulb is very bright) or 这灯泡很省电 (this bulb is energy-efficient)

起源と歴史

灯 (lamp) + 泡 (bubble/bulb)

文化的背景

世代: 灯泡 (third wheel slang) is especially common among younger generations

社会的背景: Universal