trail off

US /treɪl ɔf/
UK /treɪl ɔf/
"trail off" picture
1.

menghilang, memudar

If a speaker or their voice trails off, they stop speaking or the sound of their voice becomes weaker and weaker and then stops.

:
His voice trailed off as he realized his mistake.
Suaranya menghilang saat dia menyadari kesalahannya.
The conversation trailed off into silence.
Percakapan menghilang menjadi keheningan.