一聲

first tone in Mandarin (high, level tone)

one / single / a (article) / as soon as / entire; whole; all; throughout / "one" radical in Chinese characters (Kangxi radical 1) / also pr. [yao1] for greater clarity when spelling out numbers digit by digit

sound / voice / tone / noise / reputation / classifier for sounds

to not say a word

to keep totally silent / noiselessly

first tone in Mandarin / high, level tone

with a crash / with a thunderous noise

(of singers etc) one answering the other