to not make as much progress as others in something
no hacer tanto progreso como los demás en algo (no ather proh-gres-o koh-mo los de-mas en al-go)
"If you skip classes, you might fall behind in your studies."
"Si saltas clases, podrías quedarte atrás en tus estudios." (Si sal-tas kla-ses, po-dri-as ke-dar-te a-tras en tus es-tu-dios.)
to prepare your body for exercise by doing light activity
to become very anxious or upset about something
to shift your focus or strategy toward something new
to stabilize your emotions by connecting to your inner calm
to introduce or begin something gradually over time
to have difficulty choosing between two options