Meaning: The people on the train were not making any noise.
Choice of Words: Passengers are people who travel on a train or bus. Sat means to be in a position where your body is supported from below. Quietly means without making any noise.
Alternative Expressions
People in the car were silent.
Meaning: This means the same as the first example. The people in the vehicle were not talking or making any other noises. They were being very calm and still.
Choice of Words:People are humans. In is a preposition that means inside of something. Car is a vehicle that people use to travel. Were is a verb that means to exist or to be in a certain state. Silent is an adjective that means not making any noise. When you put them together, "People in the car were silent" means that the people inside the vehicle were not making any noise.
The riders remained hushed.
Meaning: This means the same as the first two examples. The people in the vehicle were not talking or making any other noises. They were being very calm and still.
Choice of Words:Riders are people who are riding in a vehicle. Remained is a verb that means to continue to be in a certain state. Hushed is an adjective that means not making any noise. When you put them together, "The riders remained hushed" means that the people in the vehicle continued to not make any noise.