extemporaneously (o) (speech) | sans préparation (o) (speech) |
extemporaneously (o) (speech) | sur-le-champ (o) (speech) |
extemporaneously (o) (speech) | au pied levé (o) (speech) |
extemporaneously (o) (speech) | de façon impromptue (o) (speech) |
extemporaneously (o) (speech) | à première vue (o) (speech) |