"尖锐刺耳的声音" can be translated into English as "a piercing, shrill sound" or "a harsh, high-pitched noise".
Here are some example sentences for context:
The sudden, piercing shrill sound of the alarm woke everyone up.
（警报突然发出的尖锐刺耳声把所有人都惊醒了。）
A harsh, high-pitched noise came from the engine, and the car stopped abruptly.
（发动机里发出一声尖锐刺耳的噪音，汽车突然停了下来。）