No, I needed to be certain before I pointed the finger.
A great first step is to be certain you understand the game well.
Un gran primer paso es estar seguro de entender bien el juego.
Check with the foreign embassy to be certain that your medications are okay.
Verifique con la embajada extranjera para asegurarse de que sus medicamentos estén bien.
Made a good closing to be certain to permanently lock your sale.
But to be certain, we need to put him into another test.
We would need physical access to her computer to be certain.
It is important to be certain that this object is the trustworthy source.
Es importante estar seguro de que este objeto es la fuente confiable.
And such a man would have to be certain of his abilities.
Y un hombre así debe estar seguro de sus habilidades.
There is also not enough evidence to be certain of the results.
Tampoco hay suficientes pruebas para estar seguros de los resultados.
It is better to be certain than risk a wasted trip.
Es mejor estar seguro que arriesgarte a un viaje perdido.
Since everyone seems to be certain of who I am.
Como todo el mundo parece estar seguro de saber quién soy yo.
Well, I better put in high gear, just to be certain.
Más vale que la ponga en alta velocidad, sólo para estar seguros.
And to be certain, we need to do some tests.
Y para estar seguros, tenemos que hacer algunas pruebas.