五音不全

wǔyīnbùquán
  1. tone deaf
  2. unable to sing in tune

CEDICT

to be tone-deaf; can't carry a tune

Wiktionary

形容唱歌时发音不准确。

重編國語辭典

Entry Composition

1 五音 wǔyīn
  1. five notes of pentatonic scale, roughly do, re, mi, sol, la
  2. five classes of initial consonants of Chinese phonetics, namely: 喉音 hóuyīn, 牙音 yáyīn, 舌音 shéyīn, 齿音 chǐyīn, 唇音 chúnyīn
2 不全 bùquán
  1. incomplete; partial; imperfect
  2. incompletely; not all

Related entries

音痴 yīnchī tone deaf