음치in English:tone-deafness

Examples
with 음치.

• 그는 노래를 부를 때 음치라서 항상 음을 맞추지 못해요.geuneun noraereul bureul ttae eumchiraso hangsang eum-eul majchujimotaeyo.He is tone-deaf, so he can never hit the right notes when singing.