紅杏出牆 [红－－墙]

Jyutping hung4 hang6 ceot1 coeng4
Pinyin hóng xìng chū qiáng

Definitions (CC-CEDICT)
  1. lit. the red apricot tree leans over the garden wall (idiom)
  2. fig. a wife having an illicit lover
Definitions (粵典–words.hk)
  1. 動詞
    文雅​咁​形容​女性​有​婚外情
    (of women) to have an affair
    • 我老婆紅杏出牆，我都唔知我做錯啲乜。
      我老婆红杏出墙，我都唔知我做错啲乜。
      ngo5 lou5 po4 hung4 hang6 ceot1 coeng4, ngo5 dou1 m4 zi1 ngo5 zou6 co3 di1 mat1.
      My wife has an affair. I really don't know what I've done wrong.
Definitions (Wiktionary)
  1. phrase, idiomatic, of a wife
    to have an affair; to cheat on her husband
    (syn.) 偷漢子, 偷人, 紅杏出牆, 偷咬雞仔, 吃野食, 偷人兒, 偷漢, 討契兄, 偷咬雞, 勾佬
Examples (粵典–words.hk)
  1. Cantonese
    我老婆红杏出墙，我都唔知我做错啲乜。
    我老婆紅杏出牆，我都唔知我做錯啲乜。
    ngo5 lou5 po4 hung4 hang6 ceot1 coeng4, ngo5 dou1 m4 zi1 ngo5 zou6 co3 di1 mat1.
    • My wife has an affair. I really don't know what I've done wrong.