chomp at the bit
US /tʃɑmp æt ðə bɪt/
UK /tʃɑmp æt ðə bɪt/

1.
estar ansioso, estar impaciente
to be eager or impatient to do something
:
•
The students were chomping at the bit to start their summer vacation.
Os alunos estavam ansiosos para começar as férias de verão.
•
After months of training, the athletes were chomping at the bit to compete.
Após meses de treinamento, os atletas estavam ansiosos para competir.