noun
sigh of admiration or lamentation
A vocal expression of deep emotion, typically a sigh or exclamation, used in contexts of admiration, grief, or lament.
彼の演奏に観客から嘆声が漏れた。
The audience let out sighs of admiration at his performance.
その悲しい知らせに、彼女は嘆声をあげた。
She let out a sigh of lamentation at the sad news.
A sigh in the sense of a deep breath expressing tiredness, relief, or sadness; more common and casual than 嘆声, which is more literary and specifically tied to admiration or lamentation.
Compound of 嘆 (sigh, lament) and 声 (voice). The exact historical derivation is uncertain, but the spelling is conventionally associated with the meaning of a vocal sigh.