1. The train was chugging along the tracks, carrying passengers to their destination.
El tren iba avanzando por las vías, llevando pasajeros a su destino.

2. The old truck was chugging up the steep hill, struggling to reach the top.
El viejo camión iba subiendo la empinada colina, luchando por llegar a la cima.

3. She was chugging water after her workout, trying to rehydrate quickly.
Ella estaba bebiendo agua rápidamente después de su entrenamiento, tratando de rehidratarse rápidamente.

4. The factory was chugging out smoke, polluting the air in the surrounding area.
La fábrica estaba emitiendo humo, contaminando el aire en la zona circundante.

5. The boat was chugging through the rough waves, making slow progress towards the shore.
El barco iba avanzando a través de las olas agitadas, avanzando lentamente hacia la costa.

6. The old lawnmower was chugging along, cutting the grass with difficulty.
La vieja cortadora de césped iba avanzando, cortando la hierba con dificultad.