Definition
When someone’s voice or a similar sound diminishes in volume and certainty, eventually ceasing altogether.
（聲音或說話聲）變得越來越微弱，最終消失
Her voice trailed off in the room until it was barely audible.
她的聲音在房間裡逐漸變弱，直到幾乎聽不見。
As he brought up the awkward topic, the laughter of the crowd trailed off until there was silence.
當他提到這個尷尬的話題時，人群的笑聲逐漸消失，直到一片寂靜。
As her speech came to an end, her voice trailed off until it was no longer heard.
當她的演講接近尾聲時，她的聲音逐漸變弱，直到聽不見。