on the alert
Inglés editar
| on the alert | |
| pronunciación | falta agregar |
Etimología 1 editar
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We were all on the alert. It appears incredible to me that any kind of trick, however subtly conceived and however adroitly done, could have been played upon us under these conditions.H. G. Wells. The Time Machine. Página 16. Editorial: Airmont Publishing Co. 1964.ª ed, Nueva York, 1895. ISBN: 0804900442.