| 释义 | as still as a mouse 基本Thesaurus
 静无声息
 as in.silently
 同义词 calmly,quietlymutely,wordlesslynoiselessly,soundlessly,speechlessly,stilly,without a sound
 silentlyadverb without noise
 calmly,mutely,noiselessly,quietly,soundlessly,speechlessly,stilly,without a sound,wordlessly
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