Meaning: This sentence is about a room that was dark and quiet.
Choice of Words: Room, was, dark, and, quiet are all common words that are easy to understand for an English learner.
Alternative Expressions
The room was like a cave.
Meaning: This means that the room was very dark and quiet, like a cave.
Choice of Words:Cave is a dark, underground space. When you say "The room was like a cave," you are comparing the room to a cave, which means that it was dark and quiet.
You could hear a pin drop in the room.
Meaning: This means that the room was very quiet.
Choice of Words:Pin is a small, sharp object that is used to hold things together. Drop means to let something fall. When you say "You could hear a pin drop in the room," you are saying that the room was so quiet that you could hear even the smallest sound, like the sound of a pin falling.