[150] estar de vuelta, to be back, to return.
[151] viaje de regreso, return trip.
[152] acerca de, about, concerning.
[153] faltar algo a uno, to lack something. le faltaba a Pedro... casa, Peter was within about a mile of home.
[154] cerca de, about, approximately. One must be careful to distinguish between cerca de and acerca de. See 4 above.
[155] lograr abrir, to succeed in opening.
[156] enterarse de, to be informed of, to learn of.
[157] ¿qué hacer? what was to be done? In oratorical questions the verb usually takes the infinitive form.
[158] guardar silencio, to keep silent.
[159] sin conocimiento, unconscious.