high gear

• État ou niveau d'activité maximale, d'effort ou de vitesse ; fonctionnement au plus haut degré d'efficacité ou d'intensité.

A state of maximum activity, effort, or speed; operating at the highest level of efficiency or intensity.

1. Highest speed or efficiencyB2informal

   Operating at the maximum level of speed, power, or productivity.

   vitesse maximale

   • The team kicked into high gear to meet the deadline.
   • Once the engine is warm, shift into high gear for highway driving.
   • The campaign moved into high gear just before the election.