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Jyutping zam1 hung2
Pinyin zhēn kǒng

Definitions (CC-CEDICT)
  1. pinhole
Definitions (粵典–words.hk)
  1. 名詞
    冇​鏡頭​,​而​只​係​用​一個​細窿​嚟​成像​嘅​相​機​。
    pinhole camera
Definitions (Wiktionary)
  1. noun
    pinhole
  2. noun
    eye of a needle
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    富人要进天国,比骆驼穿过针孔还要难。
    富人要進天國,比駱駝穿過針孔還要難。
    fù rén yào jìn tiān guó , bǐ luò tuo chuān guò zhēn kǒng hái yào nán 。
    • It is easier for a camel to pass through the eye of a needle than for a rich man to enter the kingdom of God.
Examples (粵典–words.hk)
  1. Cantonese
    自制针孔相机
    自製針孔相機
    zi6 zai3 zam1 hung2 soeng2 gei1
    • to make a pinhole camera oneself