Su mirada era amenazadora.
His gaze was threatening.
Aunque no lo dijo explícitamente, su tono de voz era amenazador y dejó claro que no toleraría ninguna falta de respeto.
Although he didn't say it explicitly, his tone of voice was threatening and made it clear that he wouldn't tolerate any disrespect.
Las palabras amenazadoras que utilizó durante la discusión evidencian su falta de control emocional.
The threatening words he used during the argument reveal his lack of emotional control.