Losing one's voice

лишќться [no Impf.] гћлосаg;
терїть/потерїть гћлосa
to lose one's voice
NB With терїть гћлос the adverb постепљнно "gradually" can be used, but with лишќться гћлоса it cannot.
пропадђть/пропђсть: у Ng гћлосn пропђл N lost his voice
Пћсле болљзни у негћ пропђл гћлос. He lost his voice after his illness.
садќться/сљсть: у Ng гћлосn сљл N's voice has become hoarse and weak
NB The phrase у N гћлос сљл, above, describes a voice hoarse from exertion, overuse, a cold, etc.
Пришлћсь отменќть концљрт: у певцђ сљл гћлос. The concert had to be postponed: the singer had lost his voice.
срывђть/сорвђть гћлосa to strain one's voice