They scurried through the tall grass.
Meaning: They moved quickly and quietly through the grass that was very high.
Choice of Words: Scurried is a verb that means to move quickly and lightly, often in a hidden or secretive way. Through is a preposition that means passing from one side to the other of something. Tall is an adjective that means having a great height. Grass is a noun that refers to a type of plant with long, narrow leaves.
Alternative Expressions
Related Expressions