仗马寒蝉[zhàng mǎ hán chán]
词典maintain a discreet silence：仗马寒蝉。
词典as mute as a mouse：仗马寒蝉。
词典mute as the statue horse in front of the palace gate and silent as cicadas in cold weather
仗马寒蝉[zhàng mǎ hán chán]
maintain a discreet silence; as mute as a mouse; mute as the statue horse in front of the palace gate and silent as cicadas in cold weather