de plus belle

with renewed vigor

→ de
phrase Rare #29,647
with renewed vigor Used to say that something resumes or continues with greater intensity, often after a pause or interruption.
FR: Après une courte pause, la fête a repris de plus belle.
EN: After a short break, the party resumed with renewed vigor.

Au lieu de s'arrêter, la pluie a repris de plus belle.

Instead of stopping, the rain came down even harder.

Et de sangloter de plus belle.

And to sob even harder.

— Guerre et Paix (1968)

Jamais je n'ai eu de plus belle vision.

Never have I had a more beautiful vision.