In addition to being very quiet, suppressed weapons do not have visible muzzle flashes. 消声武器除了开火时非常安静之外，枪口也没有火焰。
But the mood is turning from elation to despondency as the delay in releasing the full results drag on, they say. 通信员说首都哈拉雷的街道都非常安静，但整个场城市的安全警戒都处于紧甭的状态。
She left the room as inconspicuously as possible. 她尽可能做到不声不响地离开房间。
The old woman went over without a sound. 这位老太太不声不响地摔倒了。
