Fifth is trailing off or mumbling.

淡去或咕哝。

" These are fresh - our guys, " he cried, his voice trailing off.

“这些都是刚遇难的——都是我们的亲人，”他哭喊着，声音越来越弱。

Peter said, his voice trailing off as he started walking away.

彼得说道。他开始走远，声音低了下去。