1. After running up the stairs, I could feel myself starting to breathe heavily.
Após subir as escadas correndo, eu podia sentir que estava começando a respirar pesadamente.

2. The hiker was breathing heavily as he reached the top of the mountain.
O caminhante estava respirando pesadamente quando chegou ao topo da montanha.

3. The dog was panting and breathing heavily after chasing the ball for hours.
O cachorro estava ofegante e respirando pesadamente depois de correr atrás da bola por horas.

4. The exhausted runner collapsed at the finish line, struggling to breathe heavily.
O corredor exausto desabou na linha de chegada, lutando para respirar pesadamente.

5. The patient was breathing heavily as he tried to recover from the surgery.
O paciente estava respirando pesadamente enquanto tentava se recuperar da cirurgia.

6. The firefighter was breathing heavily from the smoke as he carried the child out of the burning building.
O bombeiro estava respirando pesadamente por causa da fumaça enquanto carregava a criança para fora do prédio em chamas.