to stay alert and watch carefully
estar alerta y observar cuidadosamente (estar alerta y observar cuidadosamente)
"Keep your eyes peeled for any signs of trouble."
"Mantén los ojos bien abiertos por cualquier señal de problemas." (Manten los ojos bien abiertos por cualquier senal de problemas)
to act first and show leadership
to be in trouble, especially with someone you care about
to let fresh air into a space
to take a risk by supporting something or someone
to make a bad situation even worse
to be competent or deserving respect in one’s field