1light bulb
2see also 電燈泡|电灯泡 (電燈泡|电灯泡 · light bulb)
3third-wheel or unwanted third party spoiling a couple's date (slang)
Examples
yào shi要是nà那dēng pào灯泡bú不zhào照wǒ我de的yǎn眼jiù就hǎo le好了。
要是那灯泡不照我的眼就好了。
If only that lamp weren't shining in my eye.
三个灯泡烧坏了。
Three bulbs have burned out.
您离开前能帮忙换一下厨房的灯泡吗？
Can you change the kitchen light bulb before you leave?