清脆 (qīng cuì): sharp and clear; crisp; melodious; ringing; tinkling; silvery (of sound); fragile; frail; also written 輕脆|轻脆

In the forest at dawn, a little bird perched on a branch and let out a clear, sharp call that woke the sleeping people.

She picked up her chopsticks and lightly tapped the glass; the crisp sound made the lively dinner table fall silent at once.

My little sister bit into a freshly picked apple, and a crisp sound came from her mouth; she smiled and said the apple was really fresh.

The class bell rang, its clear, sharp sound traveling through the hallway, and the students immediately ran back to the classroom and sat down.

Grandpa tossed the wiped copper coin onto the table; it gave a clear, ringing sound, and everyone stared to see whether it landed heads or tails.