Spanish-English translations for riguroso

rigorous
us
This will be a serious, rigorous exercise. Será un ejercicio serio, riguroso. Regarding the issue of being careful and rigorous, I agree with you. En cuanto a la cuestión de ser prudentes y rigurosos, coincido con usted. It is therefore necessary to have more rigorous limits. Por eso es imprescindible aplicar valores límite más rigurosos.
arduous
us
The movement towards a peaceful settlement has been a long and arduous political struggle

dour
trying
us
I have one concern, namely that we are trying to set too strict values. Hay un aspecto que me preocupa, y es que estamos tratando de fijar valores demasiado rigurosos. Mr President, at this stage of the debate there is little point in trying to be tough and original at the same time. Señor Presidente, a estas alturas del debate sería ilusorio pretender ser riguroso y original a la vez.