Translate the following English sentence to French:
"However, we all know the weaknesses in the Union' s external action: lack of visibility, inadequate coordination on occasions, flexibility which leaves much to be desired, too little influence in international institutions, especially Bretton Woods."
Cependant, chacun connaît les faiblesses de l'action extérieure de l'Union : manque de visibilité, coordination parfois insuffisante, flexibilité qui laisse à désirer, influence encore trop limitée dans les institutions internationales notamment celle de Bretton Woods.