trail off

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

затихать, обрываться

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.
Его голос затих, когда он осознал свою ошибку.
The conversation trailed off into silence.
Разговор затих в тишине.