tone-deaf

音标发音

A radio receiver malfunctioned, and then the backup became tone deaf, unable to lock onto a particular frequency.
无线电接收机失灵，备用品随后又不能锁定在一个特定的频率，因而成了聋子。
Jeffery was somewhat tone deaf in his use of several tasteless jokes in his speech.
杰佛瑞在演讲中所说的几个笑话其实索然无味，但他似乎对此浑然不觉。
Being face blind is a bit like being tone deaf and unable to distinguish one musical note from another.
成为脸型认知的失明有点像音盲，无法区分一首曲调和其他的。
Color blind, tone deaf, arrhythmic, with unusual muscle control abilities, he demonstrated extraordinary powers of observation in the areas of disease, healing and perception.
但凭着异乎寻常的肌肉控制能力，他在疾病、治疗和认知方面表现出了超常的能力。
She could not account for her elevation to this position except by the fact that she could accompany anyone on the piano, even the Misses McLure who were tone deaf but who would sing duets.
她是怎样荣任这一职务的，连她自己也说不清楚，可能是因为她会弹钢琴，给谁都能伴奏，就连五音不全又特别爱唱二重唱的麦克卢尔姐示，她也能为他们伴奏。

Someone who is tone-deaf is not able to recognize different notes or sing tunes accurately.

If you say that someone is tone-deaf, you mean that they cannot sing in tune or recognize different musical notes.