level best

• Expressão idiomática que significa fazer todo o possível ou empenhar o máximo de esforço para alcançar algo.

An idiomatic expression meaning to do everything possible or to make the utmost effort to achieve something.

1. Utmost effortB2informal

   To do everything possible; to try as hard as one can.

   Melhor esforço possível

   • She did her level best to finish the project on time.
   • He tried his level best to win the race.
   • They did their level best to make the party a success.