spanska-engelska översättning av en punto

sharp
us
I keep my knives sharp so that they dont slip unexpectedly while carvingErnest made the pencil too sharp and accidentally stabbed himself with itA face with sharp features
o'clock
us
When I came for this debate at 3 o'clock I was told it would be taking place later, towards 5 o'clock. Cuando vine aquí a las tres en punto para el debate, se me dijo que tendría lugar más tarde, hacia las cinco. We are expected to be there at six oclock in the morning!It is two oclock

on the dotI hope that you will gather your strength sufficiently to be back here at 9 on the dot. Deseo que repongan ustedes fuerzas convenientemente para estar aquí a las 9 en punto. He arrived at 10 oclock, on the dot