great effort and hard work
un grand effort et un travail acharné (un gran esfuerzo et un travail acharné)
"Building this company took a lot of blood, sweat, and tears."
"Construire cette entreprise a demandé beaucoup d'effort et de travail acharné." (Construire cette entreprise a demandé beaucoup d'effort et de travail acharné)
a person who knows a lot about many subjects
a bold and shameless lie
to decide to achieve something; to aim for a specific goal
not something one likes or enjoys
to change political allegiance or party
in a state of confusion or disorder