to stop feeling or expressing emotions
detener de sentir o expresar emociones (detener de sentir o expresar emociones)
"He learned to shut off his emotions to protect himself."
"Él aprendió a apagar sus emociones para protegerse." (El aprendió a **apagar sus emociones** para protegerse.)
to adjust or prepare equipment or oneself to perform better...
to decide on something after considering different options
to make something or someone distinctive or unique
to use something in small or limited amounts
to actively join in conversations or debates
to regain something lost; to recover