French-English translations for improviser

ad libShe ad libbed the rest of the scene.
improvise
us
How can all that be improvised? Comment peut-on improviser tout cela? We cannot improvise on this issue, since we must work on the basis of our experience. Nous ne pouvons pas improviser en la matière, étant donné que nous devons travailler sur la base de notre expérience. Mr President, I do not believe I can improvise a five-minute speech on budgetary affairs. Monsieur le Président, je ne pense pas pouvoir improviser une intervention sur une question budgétaire pendant cinq minutes.

wing
us
to take wingthe west wing of the hospitalthe wings of a corkscrew
ad-lib
extemporize
fly by the seat of one's pants
make it up as one goes along
play by earIf they ask for something we didnt prepare, we will have to play it by ear.