冇牙婆穿針 [－－－－针]

Jyutping mou5 ngaa4 po4 cyun1 zam1
Pinyin mǎo yá pó chuān zhēn

Definitions (粵典–words.hk)
  1. 語句
    歇後語​，​下句​係​「​唔​咬線​」​；​形容​粵曲​、​粵​劇​嘅​演唱者​走音​、​唔​食線​，​音準​唔​啱
    former half of a sandwich pun, which implies that a singer sings out of tune when performing traditional Cantonese tunes or drama; literally: an old woman without teeth threads the needle
    • 嘩，個花旦仔唱到噉，冇牙婆穿針喎。
      哗，个花旦仔唱到噉，冇牙婆穿针㖞。
      waa3, go3 faa1 daan2 zai2 coeng3 dou3 gam2, mou5 ngaa4 po4 cyun1 zam1 wo3.
      Oh, that young actress sings out of tune, not very well.
Examples (粵典–words.hk)
  1. Cantonese
    哗，个花旦仔唱到噉，冇牙婆穿针㖞。
    嘩，個花旦仔唱到噉，冇牙婆穿針喎。
    waa3, go3 faa1 daan2 zai2 coeng3 dou3 gam2, mou5 ngaa4 po4 cyun1 zam1 wo3.
    • Oh, that young actress sings out of tune, not very well.