清晨街道上刺耳的车笛声吵得人头疼。
The ___cacophonous car horns on the morning street gave everyone a headache.
乐队混乱的演奏听起来刺耳难听。
The band's messy performance sounded ___cacophonous to the audience.
教室里嘈杂的争论声让人无法集中注意力。
The ___cacophonous argument in the classroom made it hard to focus.